Here are 2 petitions to sign, one international and one exclusively US.
Text "resist" to 504-09. It's a bot that will send a formal email, fax, and letter to your representatives. It also finds your representatives for you. All you have to do is text it and it holds your hand the whole way.
WAY too many people are simply upvoting and hoping that'll be enough, this is the closest level of convenience to upvoting you can find WHILE actually making a difference.
This effects us all. DO. YOUR. PART.