Syria is a main pillar for Iran. Us and Israel are unable to attack Iran (or rather not ready to pay the high price) hence collapsing Syria will largely weaken Iran and Hizbullah as a bonus. Like usual the US pays and Israel benefits. Turkey,Bahrain,saudi Arabia and Qatar are also helping for the same reasons. The bull shit about caring for the Syrian people is only that. Bull shit. Clinton did not say a word when Israel killed 1400 Palestinians in their last Gaza War.
Palestinian man suffers light wounds from rocks thrown by Jewish men in Jerusalem (Haaretz)
from the article: Clinton urges world to cut economic ties with Syria