'A Lot Is Happening' on UFO's

Sara calls in from the U.S.-Mexican border to give an update on the growing migrant crisis. She also welcomes Luis Elizondo, former director of the Pentagon's Advanced Aerospace Threat Identification Program, or AATIP. Elizondo explains what has changed since the report on Unidentified Aerial Phenomena was issued back in June. And he explains why he blew the whistle and told the public about evidence the government was trying to keep hidden.