> unequivocally Constitutional
Sure it is. /s
There is no imminent threat to the US, a threat that would not admit of delay, that requires an immediate attack on Syria.
Such a determination is solely the judgement of the President, and if the Congress disagrees with the president's determination regarding an "imminent threat", then there is an eminently Constitutional remedy: impeachment.
Under the Constitution, impeaching the President for the "high crime and misdemeanor" of bombing Syria yesterday would be the legitimate solution.
In the absence of such a proceeding, such use of military action by the President—as its Commander in Chief—is de facto Constitutonal...
“...There is no imminent threat to the US...”
And you know this how???