Daily Debrief host Margaret Chadbourn chats with TheHill's Brett Samuels about how leaders are reactingafter students at Columbia University barricadedthemselves in a building on campus, and studentprotesters and police clash at universities across theU.S. Brett also gives an update on what's next forformer President Donald Trump after a Manhattanjudge ruled he had violated a gag order, and the latestpolling in both the presidential race and Arizona senate race.