<p>Canada's Prime Minister Stephen Harper, left, and President Barack Obama, right, look on as Mexico's President Enrique Pena Nieto speaks at a news conference during the North American Leaders Summit in Toluca, Mexico, Wednesday.</p>
February 20, 2014
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February 20, 2014 8 p.m.
Expanding economic alliances?
Obama touts North America's 'commitment to trade'
TOLUCA, Mexico - President Barack Obama on Wednesday touted the shared "commitment to trade" between the U.S., Mexico and Canada, while trying to reassure America's neighbors that he would seek to expand their economic alliances despite political resistance from his own Democratic Party.