Name: Facebook's Mark Zuckerberg: 'Really sorry'
Uploaded: Thu Mar 22 2018 03:15:55 GMT+0000 (UTC)
Duration: 7 min 5 s
Description: A NY Times reporter who interviewed Mark Zuckerberg and Zuckerberg's former mentor Roger McNamee join Lawrence O'Donnell to discuss the CEO's response to reports the Trump campaign's digital firm, Cambridge Analytica, secretly harvested private user information.

March 22, 201807:05