Zuckerberg asked to testify; data firm's CEO suspended

The head of Trump-affiliated data-mining firm Cambridge Analytica has been suspended, while government authorities are bearing down on both the firm and Facebook over allegations the firm stole data from 50 million Facebook users to manipulate elections.Jana Katsuyama reports.

How Facebook likes could profile voters for manipulation

Facebook "likes" can tell a lot about a person. Maybe even enough to fuel a voter-manipulation effort like the one a Trump-affiliated data-mining firm stands accused of -- and which Facebook may have enabled. Jana Katsuyama reports.