Pennsylvania attorney general refuses to defend state in same-sex lawsuit Reuters By Dave Warner PHILADELPHIA (Reuters) - Pennsylvania Attorney General Kathleen Kane refused on Thursday to fight a lawsuit brought by the American Civil Liberties Union challenging the state's ban on same-sex marriage. The lawsuit is believed to be the first federal case since the U.S. Supreme Court ruled on June 26 that the U.S. government must recognize same-sex marriages in states where it is legal. Kane, a Democrat who supports same-sex marriage, announced her decision at a press conference in the National Constitution Center in historic Philadelphia. By declining...