Could AOC be Bernie Sanders' running mate? "I think I'm too young for that," she says

Sen. Bernie Sanders is getting a major boost to his presidential campaign after his heart attack nearly three weeks ago. The left-wing congresswoman, Alexandria Ocasio-Cortez, endorsed him in front of more than 25,000 people at a weekend rally in New York City. CBS News’ Nikole Killion spoke with them in their first joint network interview after the announcement.