MSNBC Live with Tamron Hall 07/27/15

Search expands for missing teen boaters in Fla.

The U.S. Navy and Coast Guard have expanded their search for Austin Stephanos and Perry Cohen, two teenage boys who went missing off the coast of Florida. Perry's mother, Pamela Cohen talks to Tamron Hall about rescue efforts and the $100,000 reward ... more Duration: {{video.duration.momentjs}}