Obama Pledges To Be More Transparent About Drone Program

In a major speech on counterterrorism on Thursday, President Obama said the war on terror has changed and U.S. policy must be adjusted. He promised to be more forthcoming about the government's targeted killing program for terrorism suspects, and said he was open to talking to Congress about ways to review the use of weaponized drones. Carrie Johnson talks to Melissa Block about the evolving drone policy.