Tech heads face misinformation hearing on Capitol Hill

Three top executives from big tech are back in the hot seat on Capitol Hill as lawmakers look to find solutions for misinformation, disinformation and how it spreads. But this time, Mark Zuckerberg of Facebook, Sundar Pichai of Alphabet, and Jack Dorsey of Twitter face questions about their companies' own responsibility in the January 6 riot at the Capitol. William Brangham reports.