I think Russia is more concerned with the possible competition in natural gas pipelines that a more business "friendly" Syria might pose. Russia has a stranglehold on Europe in terms of energy right now.
Second, Obama is owned lock stock and barrel, not by the Pentagon, but by the CIA. I would really like to know who is driving the CIA, 'cause it's not the "public" administration. I'm wondering if there is a hidden, big money cabal driving the CIA somehow.