After nearly 40 years, a new trial in the Lockerbie bombing

It was Britain's deadliest terror attack: In December 1988, Pan Am flight 103 exploded in the air above Lockerbie, Scotland, killing all 259 passengers on board and 11 on the ground.Almost four decades on, there is fresh evidence and a new trial.Next week, a Libyan man suspected of making and detonating the bomb will face court in Washington DC.