You guys want me to sing, right?” quipped CNN’s Jake Tapper, as he and his co-author Alex Thompson, of Axios, settled into their seats onstage. It was an unusually rock-and-roll setting for a book talk: 9:30 Club is one of Washington’s most storied music halls,

Jake Tapper has taken a lot of heat for doing some shameless self-promotion on CNN, and his past behavior led to one famous friend cutting ties with him.