Shays will likely face an uphill battle against former Worldwide Wrestling Entertainment CEO Linda McMahon in the Republican primary. McMahon spent $50 million of her own money on her 2010 Senate bid, but lost to now-Sen. Richard Blumenthal (D-Conn.).
Rep. Christopher Murphy, former Secretary of State Susan Bysiewicz and state Rep. William Tong are running for the Democratic nod.
Sen. Jeff Flake, R-Ariz., takes a selfie with his cut-out head during the Hoops for Youth 16th annual charity basketball game held at George Washington University's Smith Center, September 8, 2014. The members of Congress team beat the lobbyist team 46-40. Buy photo here.