> And that is why its not happening ..

No that's not why it's happening. US had nothing against stronger integration between the EU and Russia in the 90s and 00s, they'd much rather focus on the Pacific. Russia chose a different path as revanchist ex-empires gennerally tend to do...

> This would result in a superpower even China would have to ally with

Possibly but Russia really has nothing useful to contribute besides natural resources. It would clearly be a corrupting influence in Europe so I'm not sure if the cost would really be worth it.