With no replacement named, Arturo Valenzuela leaves his post as assistant secretary of state for the Western Hemisphere to return to Georgetown University.

Brazil expects $34 billion in private investment for hosting the World Cup and the Olympics. But, with construction projects running behind schedule, will it update its infrastructure in time?

After approving NAFTA in 1994, the United States continued to restrict Mexican truckers’ ability to cross the border. A bilateral agreement signed July 6 seeks to put the dispute to rest.