Charging a former president with crimes would be an extraordinary development in American history and carries the risk of forever reshaping our politics as well as the very future of the nation. It should not be undertaken lightly. But former President Trump's multifaceted attempt to overthrow the results of the 2020 election that culminated with him inciting violent mobs to attack the Capitol on Jan. 6, 2021, as Congress was certifying Joe Biden’s victory, was also an extraordinary development in American history — one that nearly destroyed our democracy. The country is already in uncomfortable, uncharted waters navigating the wreckage...