Thousands of supporters and opponents of same-sex marriage held dueling rallies outside the steps of the U.S. Supreme Court today while inside, justices heard the oral arguments in one of the most anticipated cases in recent memory.

Photo by Geoff Forester, courtesy Episcopal Diocese of New Hampshire With the controversy surrounding Rev. Rick Warren’s inaugural invocation, the LGBT blogosphere lit up when the Presidential Inaugural Committe announced that the openly gay Rt. Rev. Gene Robinson would open Sunday’s inaugural concert at the Lincoln Memorial. But those watching the live event and the subsequent repeat on HBO didn’t get to see the invocation. Some who actually attended the event also reported that…