The New Yorker's Patrick Radden Keefe explores the tumultuous White House tenure of former national security adviser H.R. McMaster — through interviews with friends, colleagues, and current and former National Security Council staffers — and reports on what lies ahead with John Bolton at the helm.

Inside the West Wing: "The morning after he was fired, McMaster called an all-hands meeting ... McMaster exuded optimism, not bitterness, praising his colleagues and exhorting them to do everything they could to empower his successor, John Bolton — an unrepentant hawk who is expected to adopt a more Kissingerian approach to the position."