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,

Tapper's book on Biden's cognitive decline was expected to draw ire from the right, but heated backlash has come from liberals.