No matter how much I accomplish during the ridiculous standard of the first 100 days, & it has been a lot (including S.C.), media will kill!
— Donald J. Trump (@realDonaldTrump) April 21, 2017
The idea of the “first 100 days” as a measure of presidential accomplishment emerged during FDR’s first term. Faced with an economy in collapse, soaring unemployment, and institutions failing on all fronts, Roosevelt began his term with incredible vigor. He gathered his cabinet together...