Carol, the world is far more complex than you know*. Regarding 2+2: sure, that is pretty simple. But you may recall from high school (or earlier) that a typical quadratic equation has *two* solutions, but it may have one solution, or "none" (solutions that are not real numbers).
*Th…
CitizenJoe commented on Letter: It must be "Trump for Prison-ident in 2024!"
Ouch.