Nine years after September 11, 2001, we are still facing one fundamental question. Who is our enemy? There are two answers. One based in the truth. One based in a lie.

One answer is that Islam itself is the enemy of America and Western civilization. That all Muslims are terrorists, or at least sympathetic to the use of terrorism to advance their political agendas. After years of hearing news stories about Muslim terrorists from the shoe bomber to the underwear bomber to the Times Square...