On Sunday evening, about 100 hours after Jeff Bezos set off a fresh round of hysteria at The Washington Post, several prominent members of the Washington haut monde gathered at the Kennedy Center to honor the legacy of one of his more universally beloved predecessors, the late Katharine Graham. The event, which featured a screening of a new documentary about her legendary stewardship of the paper—through Nixon, the Pentagon Papers, Watergate, and so on—was hosted by Graham’s old friend Warren Buffett and attended by the likes of Bill Gates, David Rubenstein, Tony Blinken, and Sally Quinn, the writer and widow of Ben Bradlee who has served for decades as Washington’s imperial hostess.