According to 60 Minutes's interview with one of the engineers, the main failsafe equipment was damaged weeks before the explosion, and BP didn't bother repairin

According to 60 Minutes's interview with one of the engineers, the main failsafe equipment was damaged weeks before the explosion, and BP didn't bother repairing it and in fact increased drilling speed since they were slipping behind schedule. http://www.cbsnews.com/video/watch/?id=6490509n http://www.cbsnews.com/video/watch/?id=6490509n http://www.theepochtimes.com/n2/content/view/35642/ http://www.theepochtimes.com/n2/content/view/35642/