“In the name of Allah, the Most Merciful, the Most Compassionate,” a terrorist declares on the Flight 93 cockpit recording. That’s followed by the sounds of the terrorists assaulting a passenger. “Please don’t hurt me,” he pleads. “Oh God.” As the passengers rush the cabin, a Muslim terrorist proclaims, “In the name of Allah." As New York firefighters struggle up the South Tower with 100 pounds of equipment on their backs trying to save lives until the very last moment, the Flight 93 passengers push toward the cockpit. The Islamic hijackers call out, “Allahu Akbar.” The Islamic supremacist term originated with...