The Panama Canal Authority said Monday that the expansion of the waterway, begun five years ago, is now about half completed, and the official date for the completion of the expansion project remains October 2014 and the expanded waterway will be operational in 2015. In a year-end press release, the authority noted that “As of November 30, 2012, the Expansion Program registered an overall progress of 48.9 percent, with several components almost completed – mainly the dredging...