LOUISVILLE, KY – MAY 20: U.S. Senate Republican Leader Sen. Mitch McConnell (R-KY) and his wife Elaine Chao wave to supporters after a victory celebration following McConnell’s victory in the state Republican primary May 20, 2014 in Louisville, Kentucky. McConnell defeated Tea Party challenger Matt Bevin in today’s primary and will likely face a close race in the fall against Democratic candidate, Kentucky Secretary of State Alison Grimes. (Photo by Win McNamee/Getty Images)