President Biden's Decline, Its Cover-Up, and His Disastrous Choice to Run Again," co-authored with Axios reporter Alex Thompson, has sparked a conversation about the ex-president's cognitive decline while in the White House.

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,