Associated Press
Students protesting against tuition hikes battle with Quebec Provincial Police at the Lionel Groulx college Tuesday, May 15, 2012 in Ste. Therese, Quebec, Canada.  About one-third of post-secondary students in Quebec are boycotting classes in a protest against tuition hikes that has lasted more than three months. What started as a battle over a $325-a-year fee hike appears to have morphed into a broader struggle over the role of the state, the legitimacy of protest tactics, and the boundaries of authority.  (AP Photo/The Canadian Press, Ryan Remiorz)

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