With little fanfare and almost no news media attention, some of the same radical groups involved in shutting down Donald Trump’s Chicago rally last week are plotting a mass civil disobedience movement to begin next month. They intend to march across the East Coast in order to spark a “fire that transforms the political climate in America.” The operation, calling itself Democracy Spring, is threatening “drama in Washington” with the “largest civil disobedience action of the century.” The radicals believe this will result in the arrest of thousands of their own activists. “We will demand that Congress listen to the...