Follow the various 50501 protest organizers. There were nationwide protests in many cities in all 50 states on Feb 5th, Feb 17th, and there’s going to be future ones about this

www.fiftyfifty.one

There’s also groups like Indivisible that do all kinds of other action with both general protests and targeted action/protest towards people in congress. There’s good odds there’s a local Indivisible group near you

indivisible.org