As the world unites against Colonel Gaddafi, Panorama reveals the real story behind the country's revolution. Using remarkable new footage, it tells how a group of young professionals bravely stood up to 42 years of dictatorship. Reporter Paul Kenyon travels across the front line to uncover how the Libyan military fired on unarmed protestors and tracks down the man accused of ordering the shooting - Colonel Gaddafi's son, Saadi.