A journalist getting assigned to a second-tier presidential candidate should probably be upset at the assignment, as far as their career aspirations go. But CNN reporter Rebecca Buck -- who had turns at BuzzFeed and the Washington Examiner -- concluded her term as Team Zucker's embed assigned to Cory Booker's campaign with a flourish of superlatives in a 15-part Twitter thread. He's morally earnest! He's loving! He made people cry! He's like Oprah!