Obama is doing Putin's work for him.
Both hate the US. Both certainly don't want to the US have influence in Europe.
The real scary part about it is that this also sets us up to be as demonized as Hitler depicted the Jews (though the actual Jews won't be free of Russia's wrath either). It's basically the groundwork for a nuclear attack on the United States at some point, since we allegedly fired the first shot with our nefarious plots.