ORANGE, Calif. -- A teenager who was buried in 6 feet of sand while digging a trench on a California beach said Thursday he was certain he would die and thought about his mother before lifeguards, paramedics and beachgoers dug him out in a frantic rescue caught on video.Matt Mina, 17, was visiting his aunt and uncle and was spending the day in Newport Beach with his older cousin and other friends when he decided to dig a 6-foot pit and a trench that branched off to the side.Read More...