Twitter bots recycle Cold War techniques to sow division

Aired: 2/4/2018 | 0:06:25 | Clip
In the days leading up to the release of the disputed Nunes memo, the hashtag #ReleaseTheMemo became hugely popular among conservatives and allies of President Trump. But a series of reports suggest that some of those Twitter accounts were fake and linked to Russian interests. William Brangham learns more from Thomas Rid of Johns Hopkins University.