Huck’s record is being questioned. He thinks his strong point is his faith which he believes is also Mitt’s weak point. This was a clever move to bring the heat off his record and the debate back to faith.
Unfortunately for Huck, it’s also an incredibly slimy, deperate move.
Worse, I get the idea the writer doesn't know enough about the Mormons to properly form the questions that were asked ~ in fact, the writer doesn't know the difference between Evangelicals and snakehandlers.