Two days before US Airways Flight 1549 crashed into the Hudson River, passengers on the same route and same aircraft say they heard a series of loud bangs and the flight crew told them they could have to make an emergency landing, CNN has learned. Steve Jeffrey of Charlotte, North Carolina, told CNN he was flying in first class Tuesday when, about 20 minutes into the flight, "it sounded like the wing was just snapping off." "The red lights started going on. A little pandemonium was going on," Jeffrey recalled. He said the incident occurred over Newark, New Jersey, soon...