There may be a need for further improvements to the Panama Canal even after the waterway completes its current expansion in 2015, said Alberto Alemán Zubieta, who stepped down as administrator of the Panama Canal Authority in September. During a speech after accepting the 2012 "Connie Award" from the Containerization and Intermodal Institute in Newark, N.J. on Monday, Alemán Zubieta said he was “fairly confident” that the current expansion of the canal, which includes building...