Politics, among other things. But Rand–who previously wanted to declare war on ISIS–has now signed on to an amendment to ban the use of US ground troops in such an affair. As usual, the US will be involved on both sides of its war, but this time just arm ISIS and use auxiliary legions of al Qaeda plus drones and bombs to fight them. Rand still wants to arm the Kurds, the world’s champion female genital mutilators, and nation-build the Israeli favorites a Kurdistan.