UPDATE 1-Transocean should have done more before '10 Gulf spill-CEO
March 19, 2013 at 17:05 PM EDT
NEW ORLEANS, March 19 (Reuters) - The chief executive of Transocean Ltd, owner of the rig destroyed after BP Plc's Macondo well blew out in 2010, testified on Tuesday that his workers made mistakes that day, but were not responsible for overall safety at the site.
