To many in the West, Vladimir Putin seems mysterious, as well as deeply troubling. Troubling he is. But mysterious not so much.
The best way to limit Russian aggression is to strike at their economy, and thus their ability to finance these illegal operations.
President Putin is masterful at intermingling nationalism and patriotism with domestic and foreign policy. He seems to have perfected his art with the passage of the recent anti-gay laws in Russia, prompting outrageous attacks on gay Russians.