Between the national protests, there are lots of local activities that you can be involved in, as well as other related activist groups who organize their own anti-Trump actions.
www.supremecourt.gov - It's no surprise that Ol' Roy Moore's Foundation for Moral Law is trying to file an amicus curiae (friend of the court) brief. I also see National Organization for Marriage, et al. has filed one. SCOTUS voted today whether to grant certiorari to...