CEO charged in W. Virginia coal mine blast hid violations -prosecutor
October 07, 2015 at 17:14 PM EDT
CHARLESTON, W.Va., Oct 7 (Reuters) - The former Massey Energy Co chief executive being tried over a 2010 coal mine explosion that killed 29 people was a hands-on boss who covered up widespread safety violations, a U.S. prosecutor said on Wednesday in the trial's opening arguments.