The US cannot be too picky about who it supports. If any group is doing the hard on the ground work of engaging ISIS, be they Kurds, Iraqis, Sunni tribesmen, Lebanese, Syrian or Iranian, they should receive discreet and effective air support. Only committed infantry willing to risk all can win a war. The American people will not support the long term deployment of US ground forces. Nor does Obama have the capability or disposition to be an effective, fierce wartime President