MEXICO CITY President Felipe Calderon decried Wednesday what he called "the growing harassment" of Mexicans in the United States and said his government will work to counter it by funding a media campaign to show migrant success stories. Mexican officials have expressed concern over a recent wave of immigration raids and a U.S. political climate perceived as anti-migrant. Calderon said U.S. presidential candidates were using migrants as "symbolic hostages" on the immigration issue. "I am especially worried about the growing harassment and frank persecution of Mexicans in the United States in recent days," Calderon said at a meeting of the...