Republican presidential candidate Mitt Romney says Washington must act to open more foreign markets to American products, and calls for the president to have new authority to negotiate such agreements.

Romney also wants what he calls a "Reagan Zone of Economic Freedom" that would include U.S. free-trade agreement partners who are committed to open markets and "playing by the rules." Such an alliance could operate through the World Trade Organization and in other arenas to push trade agreements as well as labor, environmental and other reforms.

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