Gandall wrote, "I support the armed resistance, warts and all, on principled grounds (the right to militarily resist occupation) and because I think it's important that the US invasion is decisively repelled in Iraq,"
To revisit a line I've given voice to in the past: surely the Japanese had no right to militarily resist the allied occupation after WWII--what relevant differences would one invoke to argue that (self-described) Baathists and Islamists have such a right?
" It will make future interventions much more difficult."
I think this is just about the only reason why leftists support the violent Iraqi resistance, which might go a ways towards explaining why the support is generally so tepid. (Or, as you put it, "given the political colouration of the resistance, I can understand why there is such ambivalence on the left in supporting it.)
-- Luke