Kirsty Wark presents highlights from the best theatre, art, dance and performance from the Edinburgh Festivals. This year's Festival has a South African flavour and features shows which celebrate 20 years of full democracy in South Africa and which also remind us of Africa's colonial past. Alastair Sooke speaks to artist Susan Hiller about her Edinburgh exhibition and picks his other highlights of the Edinburgh Art Festival. Plus special performances filmed on board one of Edinburgh's shiny new trams. Show less