Tonight on The Last Word: President Biden calls the Hamas attacks "pure unadulterated evil." Also, the Senate Foreign Relations Committee is expected to hold a hearing on an Israeli ambassador nominee next week. And Israel aid is jeopardized without a House speaker. Deputy National Security Advisor Jon Finer, Ronen Bergman, Sen. Richard Blumenthal, Richard Engel, Ali Arouzi and Rep. Ruben Gallego join Lawrence O'Donnell.

Tonight on The Last Word: Secretary Blinken meets with Israeli officials and survivors. Also, the Israeli military says it's preparing for a potential ground assault on Gaza. And the White House says 27 Americans have been killed in the Hamas attacks. Roger Cohen, Ronen Bergman, Ben Rhodes, Richard Engel, Matt Bradley, Rep. Greg Landman and Noga Tarnopolsky join Lawrence O'Donnell.