A demonstrator holds up a sign during a protest against violence in hockey and demanding tougher sanctions from the NHL against hits to the head, Tuesday, March 15, 2011, in Montreal. (AP Photo/The Canadian Press, Paul Chiasson)

Photo by: Paul Chiasson

A demonstrator holds up a sign during a protest against violence in hockey and demanding tougher sanctions from the NHL against hits to the head, Tuesday, March 15, 2011, in Montreal. (AP Photo/The Canadian Press, Paul Chiasson)