You are correct—Paul is an isolationist, and that does leave other countries to their fate.
The question is, when we have to borrow every penny that we spend abroad, when we have military bases in over one hundred countries around the world, and when we have enough weaponry to destroy any nation around the globe or kill any individual anywhere anytime—when is enough, enough.
I have been a military hawk for a long time, but I am beginning to change my view. At this point, as Eisenhower feared, the military industrial complex has indeed gotten out of hand and needs to be reined in.
Israel can take care of itself.
The more interesting question is—can we?