After The March, The Real Organizing Starts

It’s possible that Saturday was the single largest day of protest ever in the United States, with march after march across the country exceeding all expectations. The fact that the marches were so organic, with organizers scrambling to keep up with popular demand rather than working to mobilize people to show up, was one of the beautiful things about Saturday, but it’s also a challenge. How many of those millions of people will stay active? How can organizers ensure that this is a moment of movement-building and not of collective...