Obama Envoy Murky on ISIS War's Span, Scope

 The White House's coordinator to counter the Islamic State group was unable Wednesday to assuage Senate Democrats' concerns about what constitutes an "enduring" ground operation.

Senior Democratic Senate Foreign Relations Committee members pressed retired Gen. John Allen, special presidential envoy for the global coalition to defeat the Islamic State, about a section of a White House-crafted force-authorization measure that would "not authorize the use of the United States armed forces in enduring offensive ground combat operations."

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