Activists hold a rally to protest the Trans-Pacific Partnership trade agreement in front of the White House on Feb. 3. Trade has become a key issue in the U.S. presidential campaign. Olivier Douliery/Getty Images hide caption

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The Oggun tractor. Courtesy of Cleber LLC hide caption

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First U.S. Factory OK'd For Cuba Aims To Plow A Path Into 21st Century

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Rep. Marcy Kaptur, D-Ohio, and fellow Democratic members of Congress hold a news conference to voice their opposition to the Trans-Pacific Partnership trade deal. Chip Somodevilla/Getty Images hide caption

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Japan's Prime Minister Shinzo Abe speaks during a joint press conference at the White House with President Obama on Tuesday. Abe is urging U.S. lawmakers to approve a trans-Pacific trade deal. Mandel Ngan/AFP/Getty Images hide caption

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President Obama talks with Malaysian Prime Minister Najib Razak at the East Asia Summit in Myanmar in November. Obama is trying to strike a 12-country Trans-Pacific Partnership, which would include Malaysia. Christophe Archambault/AFP/Getty Images hide caption

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Shipping containers at the Port of Los Angeles. Unions are stepping up their efforts to thwart White House plans for passing foreign trade deals on a "fast track" through Congress. Nick Ut/AP hide caption

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Trucks move containers at the Port of Long Beach in California on Tuesday. Contract negotiations between dockworkers and shipping companies have led to a slowdown on the piers. Jae C. Hong/AP hide caption

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U.S. West Coast Port Dispute Forces Shippers To Find Alternatives

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In 2013, the U.S. imported about 2 million tons of Coronas and Modelos, making beer Mexico's largest agricultural export to the U.S., according to a USDA report. Scott Olson/Getty Images hide caption

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Protesters of varied stripes and political affiliations gathered outside the Office of the U.S. Trade Representative where negotiators from 12 nations were meeting to discuss the Trans-Pacific Partnership. James Clark/NPR hide caption

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A man stands in line at Miami International airport to board a charter flight to Havana, Cuba. Travelers often fly to Cuba from the U.S. with piles of goods, despite a decades-long trade embargo. David Gilkey/NPR hide caption

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With Cash And Fat Fryers, Americans Feed Cuba's Growing Free Market

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Cattle rancher Sharon Harvat says she's worried about how the Brazilian beef imports will impact her business. Luke Runyon/NPR hide caption

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Ranchers Wary As U.S. Considers Brazilian Beef Imports

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Work can start again: This ship, loaded with containers, was sitting beneath idle cranes Tuesday at the Port of Los Angeles. Robyn Beck /AFP/Getty Images hide caption

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From 'Morning Edition': Kirk Siegler and Renee Montagne

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