Well I think this is more to do with Russia thumbing it's nose at the US rather than protecting an individual from tyranny. But fair play to Snowden, it's good news for him. But If I were Snowden, I'd be quietly sneaking out of Russia very soon lest the political winds change and he suddenly finds he's a very valuable pawn in a very dangerous game that he can't win.
Probably. But can any one name one trust-able perfect country that would give a Snowden type asylum purely on principle, rather than for political reasons? I'll be honest, Im struggling to think of one.
But unfortunately it won't :-/