At this point, I think these Big National Day of Protest(tm) events are nearly pointless. They really need tactical evolution and to become more disruptive. Combine them with small affinity group blockades, set-ins, etc. Shut down a port or a freeway or mass-occupy federal buildings or sit in at collaborationist Democratic politicians' offices... anything but a repeat of the same thing with this month's stick-on label.
I'm very well aware of the many values of large, inclusive mass demonstrations. But if that is all you ever do, the movement will be a scheduled spectacle and never challenge power or be able to make change in any real way.