[T]he event's organizers (Rumsfeld's Defense Department) have set up an online registration form that explains, "The Freedom Walk is free and open to anyone who registers…. You MUST have your registration number to check-in!"
That's right, in order to participate in a government-sponsored "Freedom Walk" on public streets past public monuments, from one outdoor public landmark to another, you have to give your name, address, phone number, and email address to the Pentagon.
The Carpet Bagger article
Don't wear your Peace T-shirt.