The United States needs to focus on efforts at home, especially in 2016 when the country's healthcare system is in trouble, its public education system has become controversial, and not enough money is gone to social services, and science/medical research that could change lives. But besides reasons at home, the United States needs to step out or this will become Iraq/Libya part two and we will never leave and we will just keep sending more troops and resources and it will eventually become a very unpopular war that would destabilize the morale of the American home front. Why must we play with the destinies of sovereign nations and foreign citizens, if we topple Assad, we are either going to put up a unstable "democracy" or a dictatorship who suits United States interests. If that happens, then we will always have a presence in Syria because we would just say that we are afraid of our interests being lost or say some bs that American lives are at risk rom insurgencies that are against democracy. A geopolitical war is being fought against Russia and Syria, not a battle for human rights and morality, but for resources and power/influence among other facto. I suggest a diplomatic approach with Russia, instead of demonizing, why don't we support dialoguing? Let's withdraw with Russia, let's get our hands out from such a conflict that hurts all sides. However We have too much at stake in this war and so does Russia, that is why the UN needs to get involved, so that a system of regulation can take place and no one interests can be a priority by the different factions as talks for Syria and alternative deals and compromises take solve. As we let the Syrian people decide their own fate, let us try other means to fight against violations by the Assad regime and take the fight for democracy on a whole new level, something that doesn't require America to become weaker or betray its beliefs. Let's build up America at home, it's time for superman to come and take a rest and get strong, then join the justice league and work together to solve the world problems. Because in this changed world, "superman" alone is not enough.