President Bush flew to Quebec City today for the weekend Summit of the Americas. Every leader in the hemisphere except Fidel Castro will be there in an effort to promote free trade throughout North and South America and the Caribbean. Protesters have gathered in Quebec City to espouse "fair trade" instead of free trade and to promote a variety of other causes. Canadian authorities have erected a fence around the area where the summit will be held. There has been violence. Robert Siegel speaks to Jason Beaubien in Quebec City about the scene.

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