Yep! I send ‘em one every year, just to say Merry CHRISTmas.
Here’s their address, if you want to do the same:
American Civil Liberties Union
125 Broad Street, 18th Floor
New York, NY 10004-2400
Well, that was their address for donations, at least. I’m sure it will work.
PS - I’m adding the American Atheists to my card list this year, too.
Thanks