It only made sense for DC's hottest super-star, the Man of Steel, to find common ground with the real-life American super-star president, JFK. Such a cross-promotion could only help each side!
However, the disaffected folks in positions of power in the US government proceeded with murdering the President on their own pace.
This article's from Amazing Heroes #184, October 1990, by fan Mary Smith.
And here is a blurry photo of my copies of these two issues.
A few years ago, the OKC library system allowed me to fill a display case with some of my super-stuff. One of the comics I showed off was Action #309. I supplied this typed caption:
See you again on Monday, everybody!