White House senior advisor Valerie Jarrett is praising President Obama for helping “accelerate” the cause of gay marriage, and she marvels at the speed of the cultural change that swept the nation. Jarrett spoke during a reception for the plaintiffs of the Supreme Court Case hosted by the group Freedom to Marry. “The arc of the moral universe bent a little faster than even we thought it would,” Jarrett said to a Buzzfeed reporter who attended the reception. Jarrett delivered a speech at the reception, thanking everyone who fought to bring the case before the Supreme Court and recognizing the...