Duck and cover. returns

There must be sth afoot if such articles are appearing more frequently then ever before. Last time i heard abt "duck and cover " was in the 60’s .

https://www.msn.com/en-gb/news/world/map-reveals-best-places-to-live-in-the-us-if-nuclear-war-breaks-out/ar-BB1hDBkY?ocid=msedgntp&pc=U531&cvid=a0988496bc2d46cca321b473ec044a1d&ei=55