Agence France Presse: High oil prices are here to stay, but they cannot be blamed for the current global food crisis, an international forum heard on Monday. Biofuels, once seen as a key factor in curbing greenhouse gas emissions, lie behind the stunning rise in food prices worldwide, participants at the International Energy Forum suggested. "A conflict (is) emerging between foodstuffs and fuel … with disastrous social conflicts and dubious environmental results," outgoing Italian Prime …