The same day the White House announced that Islamic State terrorists’ only remaining American hostage was killed, President Barack Obama uttered a phrase that means “You only live once.” The president was clowning around for a BuzzFeed video on Obamacare when he said, “YOLO,” a light-hearted moment that Fox News anchor Heather Childers called inappropriate and insensitive considering its timing. “The president says, ‘YOLO, man!’ And for people at home who may not know what that stands for, YOLO stands for ‘you only live once,’” Childers said on Friday’s show, talking specifically to liberal panelist Juan Williams. “Well you know...