By RICARDO CASTILLO Salina Cruz Pier Expanded Notwithstanding a myriad of problems still left to be resolved in the construction of the Inter-Oceanic Train Corridor at the Tehuantepec Isthmus, Mexican President Andrés Manuel López Obrador (AMLO) inaugurated the first leg of the project, constituting an extension of the docking pier at the Salina Cruz port. AMLO said the dock would