The Bush administration committed far worse war crimes than Syria, including starting a war of aggression against Iraq, using torture, the chemical weapon white phosphorus, the radiological weapon depleted uranium, and attempting to restructure Iraq's economy for the benefit of oil companies and Wall Street, not to mention a million Iraqis killed.
Further, Syria could never be a threat to us, given our massive and well-known nuclear arsenal to retaliate.
It is also doubtful that the stated justifications for the military attack are the actual reason, given the bipartisan support for brutal and oppressive regimes that serve business interests who donate to both parties.
Do not attack Syria, but instead, explain publicly who is demanding this attack and what they expect to gain from it.