Barack Obama December 20, 2018 9:42 am Obama Plays Santa for a Day at DC Hospital Former President Barack Obama was Santa Claus for a day, surprising staff and patients at the Children’s National hospital with a red cap and a big red sack. US & World Videos 1:36 WATCH: Some of the most talked about looks at the Met Gala 2:14 Kate Beckinsale returns to red carpet after hospitalization for mysterious illness 3:15 NSC reviewing cease-fire proposal: ‘I don't know that it gets any more sensitive than it is right now' 2:23 Climate change is moving Tornado Alley and driving more tornado outbreaks 1:47 Reese Witherspoon and Ryan Phillippe's daughter Ava calls out body shamers