Of course it is - the whole point is to soften up Russia to the point where it'll sign up to an unenforceable resolution, the aim being to have a flimsy excuse to engage in Shock And Awe II (after all, can't let all those US fighter pilots sit around for months on end with nothing to do...)
However, behind the scenes, there are probably tensions within the US government: the Procrastinator-in-Chief would probably like to continue his current strategy of talking tough (in the hope of appeasing the hawks) while making diplomatic overtures (in the hope of appeasing the doves) - after all, Obama's modus operandi
with pretty much everything is to attempt to appeal to both sides of Congress (while winning over neither!) The doves would ideally like the US to have absolutely nothing whatsoever to do with Syria, while the hawks have been wanting to implement Shock and Awe II in Syria for months (years?)
Russia and Iran are already supplying the regime with weapons, Saudi Arabia, Qatar and (courtesy of leaks) the US are already supplying the rebels with weapons, while Britain's promised to stay out of any fighting but has (rather suspiciously) sent a bunch of fighter planes to a Cypriot airbase (perhaps with the aim of letting the US borrow them?) Israel's decided to act as the US' poodle by condemning Assad, when ordinarily they'd be expressing worry about the militant Jihadists in the rebel forces (given all the problems they've had with people with that mindset on the domestic front).
In reality, as with most wars, it's all about world powers wanting to secure (petrochemical) resources for their own use (as well as putting as many of their businesses in the territory as possible given its strategic geographic location), while the 22½ million Syrian people are left playing piggy in the middle, and nearly 9% of the population (2 million) already having fled to other countries.