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Still energetic after the Tea Party? Then head for the main Chicago post office on Canal Street for the annual tax protest. It is likely that there will be a sizable crowd, particularly as this is coming on the heels of the Tea Party, and there could be press.
Here is a great website with lots of information to help answer leading questions you may be asked (e.g., interest on the national debt was the third larget line item in the budget BEFORE the bailouts started.)
Log in to Meetup with your Facebook account.
Please make sure to bring your cameras we need to get pictures and post them on the net.