While the Jewish breakdown by persuasions (60% dem, you say) may be true, the influence of the liberal Jewish slant is prevalent in the MSM by my reckoning.
A liberal is a liberal whether they call themselves Jewish or not. For a liberal, allegiance to socialism supercedes in all cases any other identity.
In terms of our own security, a successful strike on Israel would be devastating, depriving us of one of our most valuable intelligence and defense technology partners, to say nothing of the fallout that would come from such a clear failure of our security policy, not only in that area of the world, but globally.