Christie tests overseas diplomacy with Mexico trip

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FILE - In this Thursday, Aug. 14, 2014, file photo, New Jersey Gov. Chris Christie walks along a boardwalk after a town hall meeting in Ocean City, N.J. Christie is heading to Mexico officially for a trade mission typical of any governor. But Christie is a potential GOP presidential candidate with little foreign policy expertise, a lot of swagger and much to learn about international diplomacy. He is one of several potential White House hopefuls burnishing their foreign policy credentials for any possible general election matchup against Democrat Hillary Rodham Clinton, a former secretary of state. (AP Photo/Mel Evans, File)MEXICO CITY (AP) — New Jersey Gov. Chris Christie took a spin on the international stage, bringing state business to Mexico City and testing his diplomatic savvy as he considers a run for U.S. president in 2016.