I don't think you can draw inferences from comparing an anti-Iraq-war march with an anti-Israel-bombing-Gaza march. Protesting to convince your own government t

I don't think you can draw inferences from comparing an anti-Iraq-war march with an anti-Israel-bombing-Gaza march. Protesting to convince your own government to stop an invasion is a much more direct and tangible thing than marching to stop it supporting another government, such an invasion inflicts a direct cost in lives and materiel paid by your own country, and citizens feel a stronger moral involvement.