Cannes 2013 roundup: The highs, the lows and who will win the Palme d'Or The Cannes film festival has seen rain, stars, robbery, temper tantrums and somehow, in between all that, some films too. Join Xan Brooks, Peter Bradshaw and Charlotte Higgins at the UK pavilion as they pick through the highlights and low points of this year's festival, and try to divine a winner