As the political crisis in Lebanon deepens, Jeremy Bowen explores the country's tangled politics and finds out why intrigue surrounding the assassination of former Prime Minister Rafik Hariri five years ago is driving events today. Adam Mynott was in Tunisia as President Ben Ali surrendered power. He assesses the mood on the streets and reflects on the difficulty of reporting a revolution. In Vietnam, Alastair Leithead finds a booming economy and an appetite for western goods challenging the country's communist traditions. Christian Fraser visits the school outside Paris that has opened in the former barracks of the Hussars; with fencing and horse-riding on the curriculum, can a traditional education offer something new to France's frustrated teens? And in Moscow, Steve Rosenberg hears a history of modern Russia from a cleaning lady who has lived through it all.