Tonight on The Last Word: President Biden says the U.S. is working on every aspect of the hostage crisis in the Israel-Hamas war. Also, Israel's emergency government forms a "war cabinet." And Israeli forces and tanks assemble along the border with Gaza. Rep. Daniel Goldman, fmr. Amb. Michael Oren, Noga Tarnopolsky, Rep. Sara Jacobs, Richard Engel and Ronen Bergman join Lawrence O'Donnell.

Tonight on The Last Word: The Washington Post reports U.S. officials waited to reveal President Biden's visit until the Israeli prime minister committed to humanitarian aid for Gaza. Also, a federal judge puts a gag order on Donald Trump in the 2020 election case. And thousands in Gaza flee south as airstrikes continue. Ellison Barber, Ben Rhodes, Rep. Adam Schiff, Andrew Weissmann, Neal Katyal, Roger Parloff and Ronen Bergman join Lawrence O'Donnell.