China just screwed Russia. Hard. Not as bad as it was with Iran, but Putin agreed to a terrible deal because he had no choice. China's getting cheap gas because Russia has no one else to sell it to. How that makes us worried, I don't know.
As for the rail system, let them do it. That will cost a huge amount of money. Especially since the Panama canal is undergoing a retrofit for much larger ships. Plus competition lower prices. This is bad because....
Russia has a large number of tactical nukes pointed at China. In some ways, Russia is threatened more by China's growing resource demands, population and rising power. Russia is on the decline and there will be huge tensions between the two in the next decade. But I don't think you understand how or why that's going to happen.
Furthermore, all of this would be happening regardless of who was in office.
Try to hide your "I Hate Obama" sticker better next time.