Orlando massacre drives gun control debate

• At least 50 people are dead and more than 50 others wounded after a gunman opened fire and took hostages at a gay club early Sunday morning in Orlando.
• The shooter, identified as Omar Mateen, was killed in a shootout with law enforcement and pledged loyalty to Islamic State before carrying out the attack.
• Gun stocks will be on watch at the open following the worst mass shooting in U.S. history.
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