Here he is in Chicago's St. Patrick's Day parade (What? His name is O'Bama!) wielding one of the group's plungers long before he hit the national stage:

I don't know if other presidents have included things like this in their parades, but it makes me insanely happy that Obama is doing it.
The whole lawnmower drill team group makes me happy. Witness the "controversy" between the drill teams. My favorite quotes come at the bottom of the article.
Once again, despite Blagojevich, I'm proud to be from Illinois.