You make the mistake by saying that NOTHING would justify a pre-emptive strike. What this says to everyone else is that NOTHING would justify a pre-emptive strike in YOUR OPINION. Big difference. And yes, we Americans are happy to go to war to protect our freedom and that of our allies at anytime...sadly, something most countries will not do. Go back to Russia.
U.S. asks Uzbekistan to join anti-ISIS coalition (Reuters)
from the article: Israel, U.S. discuss triggers for military strike on Iran