Are the culture wars over? No way, Pastor Mark Driscoll tells more than 7,000 congregants each Sunday at the Mars Hill megachurch in Seattle and the hundreds of thousands who watch his YouTube videos.

The "cussing pastor," as he is known by many evangelicals, is especially blunt in complaining about the feminization of Christianity in America—and in promoting a more robust image of Christ. "Jesus is not a pansy or a pacifist," Mr. Driscoll wrote in an October blog post. "He has a long wick, but the...