Bush's Final North American Summit.

President Bush is tending to his country's relationship with Canada and Mexico one last time, trumpeting trade over the "scare tactics" of economic isolation.

Bush joins Canadian Prime Minister Stephen Harper and Mexican President Felipe Calderon today in New Orleans for his fourth and final North American Leaders' Summit. [...]

"The progress tends to be incremental, and therefore is not widely understood," said Peter DeShazo, a top State Department official for Western Hemisphere affairs during Bush's first term. "But in the big picture, there's a more coherent relationship."

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