1. CAMPAIGN 2016:
Trump's U.S.-Mexico border 'wall' could sour soaring energy trade
Donald Trump's wall along the U.S. border with Mexico is unlikely to be built. But the brash New York businessman, who locked up the Republican nomination for president this month, could create a real barrier to American companies that want to do business in Mexico if his anti-immigrant rhetoric provokes a backlash from the Mexican government or from Mexican businesses.