The Panama Canal Authority and a consortium of international companies overseeing a multibillion-dollar construction project to widen the canal met on Tuesday but failed to resolve a dispute over huge cost overruns that threaten to derail the historic undertaking. The Panama Canal opened in the summer of 1914, and 100 years later the 50-mile waterway is two-thirds of the way through a massive expansion project that would allow ever-larger ships to pass through. The project could quadruple the government’s $1 billion in annual revenue, which comes mostly from toll charges. But GUPC, the consortium of construction firms led by Spain’s Sacyr … 01/02/14 […]