Theres definitely stockpiles of nuclear weapons out there, but they're a fraction of what they were 40 years ago, and really up until the last few years relations between the West and Russia have been less tense - Not to say there hasn't been friction from all the effort put into influencing politics in the West or assassination attempts on Western soil that have definitely soured things.

For reference, the big cultural fear when I was young was terrorism and rogue states, and then around adulthood it was ISIS and the like. These things still exist, but the cultural focus here has shifted for a while.

They are a fraction of what they used to be, because they can be delivered with far more precision, and far less ability for interception than in the Cold War bomber era.

It's no longer the decade of long-distance bombers delivering warheads directly to where they intend to bomb. It'll just be a series of bright re-entry streaks from an ICBM releasing it's cluster of warheads on your metro area.