The White House chief of staff is the second most powerful but hardest gig in Washington, D.C. Dick Cheney blamed the job for giving him his first heart attack, during the Ford Administration. A hapless chief of staff can break a Presidency; effective ones get nicknamed the Velvet Hammer. On Friday, the Biden Administration announced that Ron Klain will depart as chief of staff, after two long years in the job. The staff writers Susan B. Glasser, Jane Mayer, and Evan Osnos gather for their weekly conversation to look at what Klain accomplished and what to expect from his replacement, Jeffrey Zients.