The president started his Wednesday tweeting a warning to Russia about missiles coming from the US.  About 30-minutes later he tweeted another statement about Russia and its relationship with the US.

Our relationship with Russia is worse now than it has ever been, and that includes the Cold War. There is no reason for this. Russia needs us to help with their economy, something that would be very easy to do, and we need all nations to work together. Stop the arms race?