FILE - In this Aug. 28, 2012, file photo Arizona Republican Senate candidate and current U.S. Rep. Jeff Flake, R-Ariz., speaks at a primary election night party at his home in Mesa, Ari

 

              FILE - In this Aug. 28, 2012, file photo Arizona Republican Senate candidate and current U.S. Rep. Jeff Flake, R-Ariz., speaks at a primary election night party at his home in Mesa, Ari
FILE - In this Aug. 28, 2012, file photo Arizona Republican Senate candidate and current U.S. Rep. Jeff Flake, R-Ariz., speaks at a primary election night party at his home in Mesa, Ariz. Flake’s first ad after his primary win pointed out that his opponent, former U.S. surgeon general Richard Carmona, was personally recruited by the president to run as a Democrat. Flake opposes the president’s health insurance overhaul; Carmona supports it. (AP Photo/Matt York, File)