President Trump's Crackdown On Protests

President Trump is targeting a number of cities run by what he calls "liberal Democrats" with threats to send in federal law enforcement to control ongoing protests. Over the past few days in Portland, Oregon, authorities in unmarked vehicles took demonstrators into custody.

Here & Now's Robin Young speaks with Julian Zelizer, professor of history and public affairs at Princeton University, for a historical perspective on this issue and other stories in the news right now.