In 1962, President Kennedy clashed with steel companies over a 3.5% price hike and, in the midst of that, the S&P 500 declined 24% over the span of just a few months. In hindsight, that conflict about steel prices looks like BB gun material compared to the bazookas Trump and trade adviser Robert Lighthizer have fired in the last year. Could the present-day trade war with China “trigger” a decline like that (allegedly) of the Kennedy Slide?