The radicalizing power of right-wing media networks

Elizabeth Neumann, a former Department of Homeland Security official, talks about right-wing radicalization with Brian Stelter.

She says a big part of Trump’s base now believes “a series of lies” about the election being stolen from them.

Rosie Gray adds, “Increased fragmentation of the right-wing media has allowed people to sort of pick and choose the most extreme content that they want to see.”