Kate Adie presents correspondents' stories from Syria, the US, Australia, South Africa and Italy. Lyse Doucet hears how Syria's mosaic of cultures is being shattered; Humphrey Hawksley visits the big brains of America's Ivy League who have been thinking about how to put a country back together again; James Fletcher rides the Australian economic engine, and listens to the roar of Harley Davidsons; Mark Lowen discovers the anti-apartheid pedigree of his grandfather; while Tom Carver is in Italy, celebrating his father's escape from a POW camp in 1943 and the brave family who helped him.