CANNES, France (AFP) - While the crowd at the Cannes film festival (news - web sites) unlocked the secrets of the new "Matrix" just in from the United States, EU ministers current and future worried instead about saving European cinema from Hollywood. "We're not aiming to build walls around Europe," said Viviane Reding, the European Commissioner responsible for culture and education. "We want diversity for ourselves as well as for others. So we say: why not US films? But not just US films." For the first time in its history, the Cannes film festival held a European Film Day on...