First time I can recall laughing hard in a dream. It has to do with this guy I know, who is out on the street promoting some kind of nature cause involving birds. Somebody comes buy and asks him a dumb and rather aggressive question about the birds. I expect him to respond confrontationally, but he doesn't, he gives an answer so calm and funny that I start laughing hysterically, and wake up still laughing.

(I just heard a program on NPR earlier that evening about people using political humor to reach people in the name of social justice... didn't think it meant that much to me)