Step one of that Diplomacy is not have a Pill Pedaling Homo President working against the U.S.A's best interests.
We should have (and still should) do what Sarah Palin said and that is Drill our our own Fossil Fuels and Natural Gas. That will help undercut the Russian's Enormous Profits they are getting.
There is no downside to drilling for natural gas. None! This is a prime opportunity to sell gas to Europe, we get much needed money, jobs and infrastructure, they get more diversified source of Natural Gas. Everyone wins!