“I don’t think I’m some Internet kook or Holocaust denier,” says Robert Price, a former Baptist pastor who argues in “Deconstructing Jesus” that a historical Jesus probably didn’t exist.

“They say I’m a bitter ex-fundamentalist. It’s pathetic to see this character assassination. That’s what people resort to when they don’t have solid arguments.”

The debate over Jesus’ existence has led to a curious role reversal. Two of the New Testament scholars who are leading the way arguing for Jesus’ existence have a reputation for attacking, not defending, traditional Christianity. ...