Sen. John Kennedy (R-LA) in 2004 debate: "I am a Democrat." "I support Senator Kerry [for POTUS]."

2004 Louisiana Senate Debate when then Democrat John Kennedy (future Republican Senator) announces his support for Massachusetts Senator John Kerry for President of the United States over President George W. Bush. Kennedy would later become would one of the most conservatives members of the U.S. Senate and frequently disapprove of Democrats.