I was there! It was a good time. I admit to a bit of a contact high from all the weed being smoked in the vicinity. It was totally packed. I'd estimate 80-100,000 people. You had to squeeze your way through to get any closer than the Department of agriculture. And if you've never been to DC, the Dept. of Agriculture is probably a good half mile from the capital building where the stage was set up.

"Outside of a dog, a book is man's best friend. Inside of a dog, it's too dark to read." -Groucho Marx