Osama bin Laden called Muhammad "a Prophet of Conquest." Pakistan's Universal Sunnah Foundation brags that under Muhammad's battlefield leadership, "Islam spread an average of 317 square miles per day." Right now ISIS, al Qaeda, Boko Haram, and the Supreme Leader of Iran know that Islam toppled two of the biggest superpowers in history--Rome and Persia--then took over two-thirds of the inhabited world. Militant Muslims believe that Islam...