TORONTO-JUNE 26:   A protester reads out lines from a Stephen Hawking book titled " A brief history of time " to the riot police officers  during the G20 Protest on June 26, 2010 in Toronto, Canada.
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TORONTO-JUNE 26: A protester reads out lines from a Stephen Hawking book titled " A brief history of time " to the riot police officers during the G20 Protest on June 26, 2010 in Toronto, Canada.