why not go ahead and do it? why hasn't it been done last week, last month? >> he's going to have a difficult message to sell when he's over there for climate negotiations. david gergen, always good to have you on. >> thank you. good to be here. president biden, he'll take questions from the american people in a cnn exclusive. anderson cooper moderates a cnn presidential town hall starting tonight at 8:00 eastern time. right now attorney general merrick garland is about to answer questions from the house judiciary committee for the first time. it is expected to be a contentious hearing as lawmakers will likely press him on the enforcement of subpoenas from the january 6 committee as well as the capital riot, voting rights, migrants at the southern border and the ongoing abortion ban in texas. >> cnn justice correspondent jessica schneider is joining us live from washington. as jim pointed out, expected to get contentious. i think we're all waiting for a little bit of that. we also have a sense of what merrick garland is going to say