As high school seniors get set to walk commencement, toilets are exploding, lockers are getting graffitied and doors are getting super-glued. The vandalism is part of the tradition known as senior pranks. But a decision by Kenowa Hills seniors to do something a lot less harmful has drawn the ire of their principal. The plan was to hold a bike parade as a nice, non-destructive, healthy senior prank. Seniors called police for an escort, and even called Walker's mayor, who rode in the parade. "Police escort, with the mayor, who brought us donuts. ...The mayor brought us donuts..." said a...