To put more American personnel in harm's way without a realistic chance for success is something I'm not in favor of. And a realistic chance for success depends upon having the Iraqis with the will and the ability to fulfill their share of the bargain, and so far they have not.
When the president acts in absence of a congressional grant of authority, he can rely only upon his own independent powers. When the president takes measures incompatible with the express or implied will of Congress, his power is at its lowest ebb.
There's nothing in the First Amendment that even remotely talks about spending money for political contests, and to say that an individual can spend as much of his or her own money as he or she wants constitutionally without any limitation, I think is just absurd.