I see modern Russia as more akin to the Russian Empire, than with the Soviet Union. And here is some perspective on what Russian-US ties were then, I see no reason why they can’t be today what they were back then....
https://en.wikipedia.org/wiki/Russian_Empire%E2%80%93United_States_relations
I'm not saying it would have worked, but it was worth a serious try. Probably too late now. Putin has a different mind-set than did Yeltsin.
Regardless, Putin is not a threat to civilization. The islamists are. Putin is an ally in that fight.