cole attack. a suspect is accused of helping to attack the ship in 2000. 17 sailors were killed. 47 wounded. the original charges against al-nashiri were withdrawn after president obama took office. it was a year ago that oil rig exploded in the gulf of mexico and triggered the worse offshore spill in american history. vigils and observances were held in several gulf coast states. kris gutierrez is in southern louisiana, to look at how that area is recovering from the disaster. >> the images of oil-soaked wetland and beaches will never fade from the memories of those who live and work in the gulf coast. >> it's not if there is another accident but when. >> some say it's still too early to issue new drilling permit in the gulf of mexico.