Dammit, Lurker, here I've been mentally composing a lengthy treatise on the matter, and now you've gone & summed me up (sussed me out??) in one crisp penultimate sentence: "One can in fact be pro-American, pro-Israel, and pro-Irish independence, all at the same time." Phooey.
C'est Moi.

WELL, I'll probably post it anyway....