Engineer in Deadly Metro-North Derailment Had “Severe” Sleep Disorder: NTSB

Federal investigators say the engineer on the Metro-North train that derailed last year as it sped around a sharp curve in the Bronx, killing four people, has a serious sleep disorder. A medical document made available Monday by the National Transportation Safety Board says engineer William Rockefeller has “severe obstructive sleep apnea.” Andrew Siff reports.