The price of oil has fallen by half since the summer. The Russian ruble has collapsed. A bored, belligerent, and megalomaniacal dictator with a massive military is on the march... So, what will happen next? Eurasia Group's Ian Bremmer says Vladimir Putin's response to this escalating crisis is likely to be "geopolitical," which doesn't sound comforting. How about global markets and economies? Will there be cascading ripple effects like those that followed the Russian crisis in the late 1990s? Or, for that matter, the early stages of the global financial crisis 7 years ago? We reached out to one of the smartest ... (full story)