Those involved in Titanic 's sinking made ` ` very major mistakes , '' ' Salazar says . Coast Guard scrambles to clean up first patch of oil known to reach shore . Containment dome is on site above source of massive oil spill . Officials hope it will capture oil leaking 100 feet beneath Gulf of Mexico .
Firms involved in rig 's sinking made `` very major mistakes , '' Ken Salazar says . Coast Guard scrambles to clean up first patch of oil known to reach shore . Containment dome arrives on site above source of massive oil spill . Officials hope dome will capture oil leaking 5,000 feet beneath Gulf of Mexico .