Greg Lopez mingles with the crowd in Hugo, Colo., Thursday, March 28, 2024, before a panel of Republicans selected him to run in a special election to serve out the final months of U.S. Rep. Ken Buck's term. Buck left the U.S. House early, citing many in his party who refuse to accept the results of the 2020 presidential election and to condemn the Jan. 6, 2021, attack on the Capitol. (AP Photo/Thomas Peipert)
Greg Lopez mingles with the crowd in Hugo, Colo., Thursday, March 28, 2024, before a panel of Republicans selected him to run in a special election to serve out the final months of U.S. Rep. Ken Buck's term. Buck left the U.S. House early, citing many in his party who refuse to accept the results of the 2020 presidential election and to condemn the Jan. 6, 2021, attack on the Capitol. (AP Photo/Thomas Peipert)
A cowboy hat rests on a ballot box in Hugo, Colo., Thursday, March 28, 2024, before a panel of Republicans selected Greg Lopez to run in a special election to serve out the final months of U.S. Rep. Ken Buck's term. Buck left the U.S. House early, citing many in his party who refuse to accept the results of the 2020 presidential election and to condemn the Jan. 6, 2021, attack on the Capitol. (AP Photo/Thomas Peipert)
A man casts his ballot in Hugo, Colo., Thursday, March 28, 2024. A panel of Republicans selected Greg Lopez to run in a special election to serve out the final months of U.S. Rep. Ken Buck's term. Buck left the U.S. House early, citing many in his party who refuse to accept the results of the 2020 presidential election and to condemn the Jan. 6, 2021, attack on the Capitol. (AP Photo/Thomas Peipert)
FILE - Rep. Lauren Boebert, R-Colo., a member of the House Freedom Caucus, speaks during a news conference, July 14, 2023, on Capitol Hill in Washington. A panel of Colorado Republicans will select a candidate Thursday, March 28, 2024, who will likely serve out the final months of U.S. Rep. Ken Buck’s term — and could pose a challenge to Boebert’s bid for another term in Congress. (AP Photo/Patrick Semansky, File)
Greg Lopez speaks in Hugo, Colo., Thursday, March 28, 2024, before a panel of Republicans who selected him to run in a special election to serve out the final months of U.S. Rep. Ken Buck's term. Buck left the U.S. House early, citing many in his party who refuse to accept the results of the 2020 presidential election and to condemn the Jan. 6, 2021, attack on the Capitol. (AP Photo/Thomas Peipert)
FILE - Rep. Ken Buck, R-Colo., walks out of the House chamber, Feb. 6, 2024, at the Capitol in Washington. A panel of Colorado Republicans will select a candidate Thursday, March 28, who will likely serve out the final months of Buck’s term — and could pose a challenge to Rep. Lauren Boebert’s bid for another term in Congress. (AP Photo/J. Scott Applewhite, File)
Greg Lopez speaks in Hugo, Colo., Thursday, March 28, 2024, before a panel of Republicans who selected him to run in a special election to serve out the final months of U.S. Rep. Ken Buck's term. Buck left the U.S. House early, citing many in his party who refuse to accept the results of the 2020 presidential election and to condemn the Jan. 6, 2021, attack on the Capitol. (AP Photo/Thomas Peipert)