Joe Manchin actually said...

The authors of that agreement always intended for it to be renegotiated at a later date to allow some U.S. forces to remain in Iraq.

U.S. troops should leave because the Iraqis want us to leave.

U.S. troops should leave because they are the wrong instrument for the political problems that the Iraqis now face.

While my position on the withdrawal of U.S. military forces is not driven by domestic politics, it is nonetheless good domestic politics.