He's running as a Republican in a crowed field that includes President Trump-endorsed Bill Hagerty, the former U.S. ambassador to Japan.
Hagerty said the increasing pressure on Trump -- who has endorsed his candidacy -- has actually helped him. "We need to be doing the work of the people. (House Speaker) Nancy Pelosi sat on that U.S.-Mexico-Canada deal for a year," Hagerty said. "(Trump) needs our support."
Nashville orthopedic trauma surgeon Manny Sethi admits he's never run for political office in his life, but he believes he would make a good fit for Tennessee in the U.S. Senate.