It's certainly not that Putin needs to suppress dissent from his own people. It's a very small minority in Russia that would like Putin removed.
Now, if we're talking about the west investing x billion in "democratic institutions"(Ukraine, anyone?), it makes some sense for Russia to isolate itself. Obviously, it's easy to paint Russia as evil, but the cold war is over, buddy.
Now, if we're talking about the west investing x billion in "democratic institutions"(Ukraine, anyone?), it makes some sense for Russia to isolate itself. Obviously, it's easy to paint Russia as evil, but the cold war is over, buddy.