Commentary: Trumpism, like all populist movements, won’t die quickly

Three years after Donald Trump rode down his golden escalator to present himself as the great hope of a new American populism, his detractors are increasingly betting that Trumpism will end in a dramatic confrontation between the president and the investigators examining how he won office.Some, like the New Yorker’s Adam Davidson, say Robert Mueller’s team will lift the fog from Americans’ eyes and lead us back toward a sober embrace of the very institutions that voters rebelle