"Indiana Republican U.S. Senate candidate Richard Mourdock, speaks with volunteers at the Republican ""Victory Center"" in Jeffersonville, Indiana October 3, 2012. Indiana Republicans last spring spurned long-time Senator Richard Lugar for a more conservative candidate, but now supporters of the soft-spoken moderate may tip the balance in the race that could determine which party controls the U.S. Senate. Picture taken October 3, 2012. REUTERS/Nick Carey"