Putin most definitely does not want another Cold War.
That must explain why he invaded Ukraine.
They have some things to fix first. But let's at least leave the door open...
Even if he has the purest of intentions, returning Snowden would make the US less stable.
Crimea was for access to the Black Sea, so they could run a direct oil pipeline to Western Europe without incurring fees and such from Ukraine. Putin wants profits for Gazprom. A war would result in things that prevent that, so I don't think that he wants a big war, such as Cold War II. Russia is rich with oil, and they want access to the markets.
And I wasn't speaking about "pure intentions". I can't read minds. As HornWumps corrected me below, Geopolitics is poker, not chess. And it's definitely not charity.