John Hopewell Chief International CorrespondentThe Cannes Festival’s greatest industry achievement in the last decade, apart from maintaining the global preeminence of its Riviera-set meet, is Buenos Aires’ Ventana Sur. Launched in 2009 by the Cannes Festival and Market, in partnership with Argentina’s INCAA film-TV agency, it became from its very get-go the biggest film industry event in Latin America.Running Nov.