Gay civil rights groups - the Human Rights Campaign and the National Gay and Lesbian Task Force - are calling on President-elect Barack Obama to yank his invitation to Saddleback Church pastor Rick Warren to give the inaugural prayer on Jan. 20. They demand tolerance from others, but won't spare any for those with whom they disagree. Unless, of course, that person is Obama, who, like Warren, opposes same-sex marriage. Then, they get real ecumenical. Not to mention, very forgetful."I believe that marriage is the union between a man and a woman. Now, for me as a Christian - for...