(CBS News) Former Senator Alan Simpson had some choice words for his one time colleague, former Pennsylvania Senator Rick Santorum. "I know Santorum, I served with him," he said. "He is rigid and a homophobic. He believes that gays and lesbians, he mentioned in an interview in 2003, about bestiality, and gays and lesbians. I think that's disgusting," said Simpson. The former three-term Senator from Wyoming has always been known for both his candor and his ability to work across party lines, said Republicans are hurting themselves by focusing on social issues. "Here's a party that believes in government out...