but I just found this today - I think it's brilliant and I've made up several postcards to mail tomorrow (er... I guess it's now today )

On March 15th, 2017 each of us will mail the White House a postcard that publicly expresses our vocal opposition to the new president. And we, in vast numbers, from all corners of the world, will overwhelm Washington.

https://www.theidesoftrump.com/#theidesoftrump