U.S. President Barack Obama has called Sunday's massacre at a Florida nightclub the most deadly shooting in American history. A gunman killed at least 50 people and wounded more than 50 others in an attack on a crowded gay nightclub in the city of Orlando. Law enforcement officials say they are investigating the massacre as an act of terrorism. Zlatica Hoke reports.
This program will begin at
This program has ended and is being processed for playback.