If we had killed Hitler back in the '30s we might have prevented WW2, at least in Europe. Will we make the same mistake again?
I am afraid political correctness is seriously hampers our efforts to defend ourselves and the world.
Based on the Bush doctrine, we should have already effected a regime change in Iran and Syria, but with all the yapping terrorist lovers attacking him for having deposed the dictator of Iraq, it's hard to go on and continue the job.