Gosh... I just Googled "Gene Roddenberry" and imagine my surprise when I found that he had died! Several years ago! I guess I should have written "wrote" in my note, not "writes". My bad.
^ I sure hope that you guys know that I was just kidding! (I thought using "Gosh!" would have been a give-away!) I was being a bit of a smart-ass in response to having it pointed out to me that Roddenberry doesn't write any more. The intent of my original post was simply that tales of space exploration stories AND stories about saving JFK via time travel were done many times before either Roddenberry or King sat down to pen their own works on the two respective subjects... I just got a little too careless regarding my verb tenses in that first post!
There are enough posters here who are from, shall we say, the lower end of the bell curve, that I rarely take "common knowledge" for granted anymore. Fortunately, there are just as many intelligent posters for whom sarcasm simply goes awry. My apologies for misjudging.
Ken GRimwood's novel "Replay" also contains a scenario in which a man with foreknowledge of the future attempts to prevent the JFK assassination. In this book, a man finds that after every time he dies, his life "resets". He suddenly finds hiimself eighteen years old again with all of his memories intact from his previous life. The protagonist successfully gets Oswald put behind bars for the fateful date of November 22, only to find the assassination carried out by another man, a complete stranger to our timeline. His attempt to stop the assassination is not the main thrust of the book, just an incident that teaches him that he can't change major events in the past.
watch "nostalgia critic's" review of "IT". it's pretty funny and he even brings up a drinking game for the stephen king movies. seriously though, how many of his stories take place in (or brings up) maine?