Timothy Snyder, history professor, and author of "On Tyranny" and the "Thinking about..." Substack, talks with Rachel Maddow about the character of the anti-Trump movement and what past opposition movements tell us about how the energy of "No Kings Day" can be channeled into political productivity.

Across the country, an estimated 5 million protesters took part in more than 2,000 protests, according to the American Civil Liberties Union, a co-sponsor of the nationwide protest. In the Bay Area, more than 50 protests were planned stretching south from Gilroy north to Santa Rosa.