Perfect weather. Pristine beaches. Great food and wine. What could be better? In May, the French Riviera town of Cannes turns into a film Mecca, screening several hundred of the best new movies and bringing out all the stars for the premieres. It can add up to more glamour than the Academy Awards and the Emmys put together, especially when one of the brightest young things turns up with a funny haircut. Check out this year's high points.