ISSUES relating to migration and exile were at the core of the theme tackled by Arab directors in several films screened at the 57th Cannes Film Festival. Algerian-French director Tony Gitlif's Exils -- which won the Cannes Best Director Award -- is about two young men's journey from France to Spain, and then to their motherland Algeria. It deals with the connection immigrants have with their motherlands, as well as with the countries to which they have migrated... --caption--