Did Trump peak too soon?

Did Trump peak too soon?: Presidential politics is a roller coaster ride.  Some politicians — Richard Nixon was one — uselessly plot to "peak at the right moment," but events usually dictate their own schedule.  You may recall George H.W. Bush, after the First Gulf War, was at something like an 89% approval rating in 1991.  Yet by November 1992, he lost out to a scandal-plagued small-state governor.