With the ruble tanking and the US moving to aid Ukraine, Russian President Vladimir Putin has fewer and fewer good options to shore up his country's position. And that may end in an even bigger crisis than the current one.
Russia's opposition likens itself to Michael Phelps facing an extreme challenge. "If you have a champion swimmer, and you fill up the pool with acid, he won't be able to swim. But it doesn't mean he's a weak swimmer."