As President Obama frees droves of terrorists—including five Yemenis this week—from the U.S. military prison in Guantanamo news reports confirm that a Gitmo alum who once led a Taliban unit has established the first Islamic State of Iraq and Syria (ISIS) base in Afghanistan. His name is Mullah Abdul Rauf and international and domestic media reports say he’s operating in Helmand province, actively recruiting fighters for ISIS. Citing local sources, a British newspaper writes that Rauf set up a base and is offering good wages to anyone willing to fight for the Islamic State. Rauf was a corps commander during...