Allow the president to invade a neighboring nation whenever he shall deem it necessary to repel an invasion and you allow him to do so whenever he may choose to say he deems it necessary for such a purpose - and you allow him to make war at pleasure.
As is known it is in the realm of experience inaugurated by psychoanalysis that we may grasp along what imaginary lines the human organism in the most intimate recesses of its being manifests its capture in a symbolic dimension.