A Quebec riot policeman aims a rubber-bullet rifle with a laser sight at a protester during the second day of protests against the third Summit of the Americas, late April 21, 2001. (Andrew Winning/Reuters)

A protester makes a victory sign near some burning debris on the fence that surrounded the site of the Summit of the Americas in Quebec City, Sunday, April 22, 2001. Western Hemisphere leaders signed an agreement Sunday to open their markets by December 2005, and said only countries with democratic governments can be a part of the world's most ambitious free-trade zone. (AP Photo/Canadian Press, Kevin Frayer)

Protesters armed with slingshots take aim at a wall of riot police outside the site of the Summit of the Americas in Quebec City, Canada Saturday, April 21, 2001. (AP Photo/CP, Paul Chiasson)

Demonstrators stand their ground against police water cannons outside the site of the Summit of the Americas in Quebec City Saturday, April 21, 2001. Inside the summit grounds, 34 heads of state from the Western Hemisphere were in session at the summit to discuss ways to work towards establishing the world's largest free trade zone. (AP Photo/Canadian Press, Kevin Frayer)

Dakota Walker, of Ithaca, N.Y., beats on a plastic pail at a police line in front of the Peace Bridge, in Buffalo, N.Y., Sunday, April 22, 2001. About 300 protesters stared down a line of riot police at the U.S.-Canada border, climaxing three days of Buffalo-area protests against free trade. Buffalo police closed down the Peace Bridge linking the two countries at about 12:15 p.m., as officers with gas masks, shields and batons lined shoulder to shoulder to keep demonstrators off the bridge. (AP Photo/David Duprey)

A protester is sprayed by a water cannon Saturday afternoon April 21, 2001, in an attempt to pull down the gates of a security fence surrounding the Summit of the Americas in Quebec City, Canada. Confrontations between police and protesters continued for a second day while 34 heads of state from the western hemisphere gathered to discuss the possibility of creating the world's largest free trade zone. (AP Photo/Stephan Savoia)

Protesters try to pull down part of the fence outside the site of the Summit of the Americas in Quebec City Saturday, April 21, 2001. Inside the summit grounds, 34 heads of state from the Western Hemisphere were in session at the summit to discuss ways to work towards establishing the world's largest free trade zone. (AP Photo/Canadian Press, Paul Chiasson)

Protesters light Molotov cocktails during the second day of clashes with riot police at the Summit of the Americas April 21, 2001 in Quebec. Police used tear gas and water cannons to try and quell the unrest as the meeting of Western Hemisphere leaders started its first full day of meetings. (Andy Clark/Reuters)

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