![Morry Gash Wisconsin Democratic U.S. Sen. Tammy Baldwin talks to supporters while riding a Wisconsin Dells Duck during a campaign stop Friday, March 29, 2024, in Wisconsin Dells, Wis. The stop was part of her campaign launch tour in a race against Republican Eric Hovde the could determine who has majority control of the Senate. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Morry Gash)](https://mapi.associatedpress.com/v2/items/5965ce0736a444368a4a911a04ba3163/preview/preview.jpg?s=680x)
Wisconsin Democratic U.S. Sen. Tammy Baldwin talks to supporters while riding a Wisconsin Dells Duck during a campaign stop Friday, March 29, 2024, in Wisconsin Dells, Wis. The stop was part of her campaign launch tour in a race against Republican Eric Hovde the could determine who has majority control of the Senate. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Morry Gash)
![Morry Gash Wisconsin Democratic U.S. Sen. Tammy Baldwin talks to New Glarus Brewing Company co-owner Deb Carey during a campaign stop, Thursday, March 28, 2024, in New Glarus, Wis. The stop was part of her campaign launch tour in a race against Republican Eric Hovde the could determine who has majority control of the Senate. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Scott Bauer)](https://mapi.associatedpress.com/v2/items/a37d4e571436494bbeec1860bc753bbd/preview/preview.jpg?s=680x)
Wisconsin Democratic U.S. Sen. Tammy Baldwin talks to New Glarus Brewing Company co-owner Deb Carey during a campaign stop, Thursday, March 28, 2024, in New Glarus, Wis. The stop was part of her campaign launch tour in a race against Republican Eric Hovde the could determine who has majority control of the Senate. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Scott Bauer)
![Mike Roemer Madison, Wis businessman and Republican U.S. Senate candidate, Eric Hovde stands up after being acknowledged, Tuesday April 2, 2024, at a former President Donald Trump rally in Green Bay, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Mike Roemer)](https://mapi.associatedpress.com/v2/items/cecb74e3f35a4cc9a79f32b0456a4537/preview/preview.jpg?s=680x)
Madison, Wis businessman and Republican U.S. Senate candidate, Eric Hovde stands up after being acknowledged, Tuesday April 2, 2024, at a former President Donald Trump rally in Green Bay, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Mike Roemer)
![Morry Gash Wisconsin Democratic U.S. Sen. Tammy Baldwin talks to New Glarus Brewing Company co-owner Deb Carey during a campaign stop, Thursday, March 28, 2024, in New Glarus, Wis. The stop was part of her campaign launch tour in a race against Republican Eric Hovde the could determine who has majority control of the Senate. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Scott Bauer)](https://mapi.associatedpress.com/v2/items/b774fa2f2ae0434c968914aaa9d2c043/preview/preview.jpg?s=680x)
Wisconsin Democratic U.S. Sen. Tammy Baldwin talks to New Glarus Brewing Company co-owner Deb Carey during a campaign stop, Thursday, March 28, 2024, in New Glarus, Wis. The stop was part of her campaign launch tour in a race against Republican Eric Hovde the could determine who has majority control of the Senate. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Scott Bauer)
![Alex Brandon Tom Lynn FILE - This combo image shows Sen. Tammy Baldwin, D-Wis., left, on Jan. 25, 2024, in Superior, Wis. and Eric Hovde, candidate for the U.S. Senate, on Aug. 14, 2012 in Peawaukee, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Alex Brandon/Tom Lynn, File)](https://mapi.associatedpress.com/v2/items/77191f42461a4321a255103c014e8bcc/preview/preview.jpg?s=680x)
FILE - This combo image shows Sen. Tammy Baldwin, D-Wis., left, on Jan. 25, 2024, in Superior, Wis. and Eric Hovde, candidate for the U.S. Senate, on Aug. 14, 2012 in Peawaukee, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Alex Brandon/Tom Lynn, File)
![Mike Roemer Madison, Wis., businessman and Republican U.S. Senate candidate, Eric Hovde poses for a photo, Tuesday April 2, 2024, at a former President Donald Trump rally in Green Bay, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Mike Roemer)](https://mapi.associatedpress.com/v2/items/23c73e568a0146b9a4ac03b6780e5a88/preview/preview.jpg?s=680x)
Madison, Wis., businessman and Republican U.S. Senate candidate, Eric Hovde poses for a photo, Tuesday April 2, 2024, at a former President Donald Trump rally in Green Bay, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Mike Roemer)
![Morry Gash Wisconsin Democratic U.S. Sen. Tammy Baldwin talks to Dan Gavinski, right, and Chase Slack before riding a Wisconsin Dells Duck during a campaign stop Friday, March 29, 2024, in Wisconsin Dells, Wis. The stop was part of her campaign launch tour in a race against Republican Eric Hovde the could determine who has majority control of the Senate. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Morry Gash)](https://mapi.associatedpress.com/v2/items/ea614df0f6714a79b3b52a8e128a339a/preview/preview.jpg?s=680x)
Wisconsin Democratic U.S. Sen. Tammy Baldwin talks to Dan Gavinski, right, and Chase Slack before riding a Wisconsin Dells Duck during a campaign stop Friday, March 29, 2024, in Wisconsin Dells, Wis. The stop was part of her campaign launch tour in a race against Republican Eric Hovde the could determine who has majority control of the Senate. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Morry Gash)
![Mike Roemer Madison, Wis. businessman and Republican U.S. Senate candidate, Eric Hovde speaks, Tuesday April 2, 2024, at a former President Donald Trump rally in Green Bay, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Mike Roemer)](https://mapi.associatedpress.com/v2/items/9cf7eb821f244abea51f29f7aaf5882c/preview/preview.jpg?s=680x)
Madison, Wis. businessman and Republican U.S. Senate candidate, Eric Hovde speaks, Tuesday April 2, 2024, at a former President Donald Trump rally in Green Bay, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Mike Roemer)
![Mike Roemer With his wife Sharon at his side Madison, Wis., businessman and Republican U.S. Senate candidate, Eric Hovde smile and laugh after being acknowledged, Tuesday April 2, 2024, at a former President Donald Trump rally in Green Bay, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Mike Roemer)](https://mapi.associatedpress.com/v2/items/41c2af6774784e149ddedec572f1730d/preview/preview.jpg?s=680x)
With his wife Sharon at his side Madison, Wis., businessman and Republican U.S. Senate candidate, Eric Hovde smile and laugh after being acknowledged, Tuesday April 2, 2024, at a former President Donald Trump rally in Green Bay, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Mike Roemer)
![Mike Roemer Madison, Wis. businessman and Republican U.S. Senate candidate, Eric Hovde speaks Tuesday April 2, 2024, at a former President Donald Trump rally in Green Bay, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Mike Roemer)](https://mapi.associatedpress.com/v2/items/d2df10a7ffcc4f3fb549799525211822/preview/preview.jpg?s=680x)
Madison, Wis. businessman and Republican U.S. Senate candidate, Eric Hovde speaks Tuesday April 2, 2024, at a former President Donald Trump rally in Green Bay, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Mike Roemer)
![Morry Gash Wisconsin Democratic U.S. Sen. Tammy Baldwin talks to Dan Gavinski while riding a Wisconsin Dells Duck during a campaign stop Friday, March 29, 2024, in Wisconsin Dells, Wis. The stop was part of her campaign launch tour in a race against Republican Eric Hovde the could determine who has majority control of the Senate. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Morry Gash)](https://mapi.associatedpress.com/v2/items/a086e34c4ac64874b75c9af45cdb891c/preview/preview.jpg?s=680x)
Wisconsin Democratic U.S. Sen. Tammy Baldwin talks to Dan Gavinski while riding a Wisconsin Dells Duck during a campaign stop Friday, March 29, 2024, in Wisconsin Dells, Wis. The stop was part of her campaign launch tour in a race against Republican Eric Hovde the could determine who has majority control of the Senate. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Morry Gash)
![Mike Roemer Madison, Wis., businessman and Republican U.S. Senate candidate, Eric Hovde speaks Tuesday April 2, 2024, at a former President Donald Trump rally in Green Bay, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Mike Roemer)](https://mapi.associatedpress.com/v2/items/8ee124cbce4042b5a27c4139b67d87ac/preview/preview.jpg?s=680x)
Madison, Wis., businessman and Republican U.S. Senate candidate, Eric Hovde speaks Tuesday April 2, 2024, at a former President Donald Trump rally in Green Bay, Wis. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Mike Roemer)
![Morry Gash Wisconsin Democratic U.S. Sen. Tammy Baldwin talks to New Glarus Brewing Company co-owner Deb Carey during a campaign stop Thursday, March 28, 2024, in New Glarus, Wis. The stop was part of her campaign launch tour in a race against Republican Eric Hovde the could determine who has majority control of the Senate. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Scott Bauer)](https://mapi.associatedpress.com/v2/items/cef4de4f6c3f4b248c2868e97af73507/preview/preview.jpg?s=680x)
Wisconsin Democratic U.S. Sen. Tammy Baldwin talks to New Glarus Brewing Company co-owner Deb Carey during a campaign stop Thursday, March 28, 2024, in New Glarus, Wis. The stop was part of her campaign launch tour in a race against Republican Eric Hovde the could determine who has majority control of the Senate. The Wisconsin Senate race between Democratic Sen. Tammy Baldwin and Republican Eric Hovde is setting up as one of the most competitive and expensive Senate races in the country. (AP Photo/Scott Bauer)