Putin on the Fritz?

Is Putin looking beyond Ukraine?                                       Aleksei Nikolsky/AP

So we've upped the sanctions against Russia's elite. The idea seems to be that if enough of Vladimir Putin's wealthy friends start hurting badly enough, they'll pressure him to do what he needs to do to get those sanctions lifted. Will it work? It's all riding on those individuals, whether they have any influence over their main man, and whether they're willing to use it. So who are they?: http://www.bbc.com/news/world-europe-26672800