Summary: CHICAGO (AP) , GOP Sen. Mark Kirk of Illinois on Tuesday became the second sitting Republican senator to endorse gay marriage , a move that also could shift the political debate over legalizing gay marriage in Kirk's home state.
Summary: CHICAGO (AP) , GOP Sen. Mark Kirk of Illinois on Tuesday became the second sitting Republican senator to endorse gay marriage , a move that also could shift the political debate over legalizing gay marriage in Kirk's home state.