Nearly 250 years ago, the United States tried negotiating with Islamic pirate states to stop the capture of American ships and the enslavement of Americans. George Washington, Thomas Jefferson and John Adams all learned the painful lesson that the negotiations were a trap. Treaties would be signed, agreements would be reached and would soon be broken because Muslims could freely lie to ‘infidels’ and had a religious obligation to wage war on them. “The precept of the Koran is perpetual war against all who deny that Mahomet is the prophet of God,” Adams summed it up. “The command to propagate...