Rob Portman
US Senator from Ohio (2011-present); former US Representative (1993-2007); former dir. OMB
Mike DeWine
Governor of Ohio; US Representative and Senator from Ohio
George Voinovich
former US Senator from Ohio
Mitch McConnell
US Senator from Kentucky, husband of Transportation Secretary Elaine
Mitt Romney
U.S. senator from Utah, former Massachusetts governor
John McCain
US Senator and Representative from Arizona