A while back, back when there were noises coming out of North Korea about a possible attack on the U.S., I had a very vivid and memorable dream. It's rare that I recall my dreams that vividly, but I remembered this one in great detail. (Full disclosure: I've had a few such dreams in the past, mostly about relatively unimportant things, but once, when I was stationed in Wales I dreamed that my oldest son back in California was extremely sick, and a few hours later I got a call that he was at UCLA Medical Center needing a liver transplant. I'd seen him a few weeks before and he'd been perfectly fine.)
Anyway, the dream was about a missile attack on Hawaii, and it almost prompted me to call the F.B.I. - but I didn't. Probably as well. In hindsight, of course, it would have accomplished nothing except for maybe having my name put on somebody's Nut List.