Musk seems to get along with Trump, but the moment Musk says something against Trump, the relationships between two will change drastically, impacting the Tesla's future too.
This is really huge, looks like Warren understands the rapid shift which makes the industry today.
http://www.businessinsider.com/warren-buffett-drops-walmart-stock-2017-2
I thought that the sanctions will be lifted, but I am not so sure about it know. As far as I am concerned, Congress can put also pass some kind of a law and put Russia under sanctions again.