A book the CNN host co-wrote has received positive reviews and appears to be a sales hit. But it has also generated intense scrutiny of him and his work.

He and his co-author Alex Thompson spoke at 9:30 Club to a crowd eager to revisit the past. “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.

On Vladimir Putin and Xi Jinping's podcast, This Authoritarian Life, the Russian president reveals why he was so inspired by the book "Original Sin." #PUPPETREGIME