FILE - Madison, Wis. businessman and Republican Senate candidate, Eric Hovde speaks April 2, 2024, at a rally in Green Bay, Wis. Frustrated by the seemingly endless cash flowing to Democrats, Republicans aiming to retake the Senate have rallied around candidates with plenty of their own money. But it also risks elevating untested candidates who might not be prepared for the scrutiny often associated with fiercely contested Senate campaigns. Hovde may have to dip into the $8 million he loaned his campaign to combat questions about the depth of his ties to Wisconsin. (AP Photo/Mike Roemer, File)
FILE - Senate candidate Tim Sheehy talks about his campaign, Feb. 9, 2024, in Helena, Mont. Frustrated by the seemingly endless cash flowing to Democrats, Republicans aiming to retake the Senate have rallied around candidates with plenty of their own money. But it also risks elevating untested candidates who might not be prepared for the scrutiny often associated with fiercely contested Senate campaigns. The retired Navy SEAL, who runs an aerial firefighting company, recently acknowledged that he lied to a Glacier National Park ranger on a police report in 2015. (AP Photo/Matthew Brown, File)
FILE - Republican Senate candidate Dave McCormick speaks outside a student encampment at the University of Pennsylvania in Philadelphia, May 1, 2024. Frustrated by the seemingly endless cash flowing to Democrats, Republicans aiming to retake the Senate have rallied around candidates with plenty of their own money. But it also risks elevating untested candidates who might not be prepared for the scrutiny often associated with fiercely contested Senate campaigns. McCormick will have to combat questions about the depth of his ties to Pennsylvania, having lived and worked in Connecticut. (AP Photo/Matt Rourke, File)
FILE - Cleveland businessman and Republican Senate candidate Bernie Moreno speaks at a rally, March 16, 2024, in Vandalia, Ohio. Frustrated by the seemingly endless cash flowing to Democrats, Republicans aiming to retake the Senate have rallied around candidates with plenty of their own money. But it also risks elevating untested candidates who might not be prepared for the scrutiny often associated with fiercely contested Senate campaigns. Questions about an online profile on an adult website connected to Moreno's work e-mail have circulated in GOP circles, sparking frustration among senior Republican operatives. (AP Photo/Jeff Dean, File)