Whereas, Iraqi political leaders must show visible progress toward meeting specific benchmarks, including:
(1) Deploying a "significant number" of new Iraqi security forces to partner with U.S. units in securing Baghdad;
(2) Assuming responsibility for security in all provinces in a "timely manner;"
Significant number, timely manner are not concrete terms, they are wide open to interpretation. I think he is trying to make something that Dems and Republicans will both think is a good idea. But, each for different reasons.
Well, since it isn't a binding resolution, that really doesn't matter.