The leaders of the United States, Mexico and Canada headed into formal talks here on Tuesday to review trilateral cooperation in the fields such as trade, border, energy and immigration.
The formal meeting, expected to last for one hour, followed a flurry of informal sessions on Monday which focused on the three countries' free trade partnership, the largest in the world.
On Tuesday, the last day of their two-day summit, U.S. President George W. Bush is expected to join his Mexican counterpart Felipe Calderon and Canadian Prime Minister Stephen Harper in continuing their defense of the 14-year old North American Free Trade Agreement, which is under attack in the United States.
Earlier in the day, the three leaders met with the North American Competitiveness Council, which is composed of top business leaders from the three countries, on proposals to boost North America's economic edge.

Canada's Prime Minister Stephen Harper (L), U.S. President George W. Bush (C) and Mexico's President Felipe Calderon (R) sit down for breakfast during the second day of the North American Leaders' Summit in New Orleans, Louisiana, April 22, 2008.( After the formal session, the three leaders will hold a press conference in mid-afternoon before wrapping up their annual gathering, dubbed the "Three Amigos' Summit," which was launched in March 2005.
The three leaders are also expected to cap the summit with a joint statement aimed at further boosting trilateral cooperation.
Source:Xinhua