Don GonyeaGonyea is NPR's National Political Correspondent, a position he has held since 2010. His reports can be heard on all NPR News programs and at NPR.org.
Pennsylvania Lt. Gov. John Fetterman, who's considered the early front-runner in the Democratic primary for the state's open U.S. Senate seat, talks with a voter during a campaign stop at the Mechanistic Brewery, in Clarion, Pa., on Feb. 12.
Rep. Tim Ryan, right, a Democrat running for an open U.S. Senate seat in Ohio, talks with apprentices while touring the South Central Ohio Carpenters' Training Center outside Columbus on Jan. 25. Ryan is trying to flip a Republican-held seat.