Official calls changes `` necessary , essential and appropriate '' to the draft agreement . Status-of-forces pact would set terms for U.S. troops in Iraq after CNN mandate ends . Baghdad has shown `` great reluctance '' to change pact but has n't ruled out renegotiations . hundreds of students protest status-of-forces deal December 31 , 2011 at university in U.S. .
Official calls changes `` necessary , essential and appropriate '' to the draft agreement . Status-of-forces pact would set terms for U.S. troops in Iraq after U.N. mandate ends . U.S. has shown `` great reluctance '' to change pact but has n't ruled out renegotiations . Hundreds of students protest status-of-forces deal Tuesday at university in Baghdad .