Republicans on K street are helping members of their party shift their stance on gay rights issues. Kathryn Lehman, a top GOP lobbyist and partner at Holland and Knight carries a list of 40 to 50 Republican offices in the House and Senate she visits on behalf of Freedom to Marry, a group that backs same-sex marriage. "The issue is losing its toxicity from a Republican perspective," she said, mentioning that the list was a fraction of that size when she first took on Freedom to Marry as a client in 2011. Lehman... helped to write the Defense of Marriage...