In 2008, a charismatic right-wing populist Republican governor won the heart of the party's base despite being forced to take a backseat to a more respectable "moderate" Republican. He was Mike Huckabee, and he is sad, and mad. Ben Smith followed Mike Huckabee around for a while as he sold his new Christmas book. Huckabee was the governor of Arkansas. He used to be fat, and then he got skinny, and now he is getting fat again. He's also basically as crazy Christian as they come, but he masks this with a genuinely likable sense of humor, which is why...