When will the US lift the liquid ban in airports?
University of Chicago Professor and aviation security expert Sheldon H. Jacobson tells 'Nightcap's' Jon Sarlin that eventually you'll be able to carry a one-liter bottle of soda or a full tube of toothpaste through airport security— but not yet. For more, watch the full Nightcap episode here.

Sheldon H. Jacobson, University of Chicago professor and aviation security expert, tells "Nightcap's" Jon Sarlin you won't be able carry a 1 liter soda bottle or a tube of toothpaste full through airport security for a while. Watch the complete Nightcap episode for more information.