Watch a video shared by Barack Obama.

What's happening on Twitter. Barack Obama just shared a video. Watch ESPN just shared a photo. See it Check out a new picture from Cameron. View now Ariana Grande said something. See it See what Clemson Baseball sees. See it SportsCenter just shared a video. See it Settings  |  Help  |  Opt-out Twitter, Inc. 1355 Market Street, Suite 900 San Francisco, CA 94103