During the May 3 Republican presidential debate, moderator Chris Matthews asked the candidates “How many of you don’t believe in evolution?” Sen. Sam Brownback, Gov. Mike Huckabee, and Rep. Tom Tancredo all raised their hands indicating that they did not believe in it. Rep. Barney Frank raised the same question in 2004 when he accused me, his opponent that year, of questioning the theory of evolution. Liberals are confident that those who question the theory of evolution will be held up for public ridicule and scorn. Many liberals pride themselves on questioning everything in life except when it comes to...