AHMED ELUMANI IN Libya's Bani Walid, flags of ousted autocrat Muammar Gaddafi still fly in some places and streets are ragged with neglect, but its residents have new hope for their town and country. During a recent visit by Prime Minister Abdulhamid Dbeibeh, head of a new unity government, people waved olive branches as his armoured motorcade passed through the town, which has long been isolated by political disputes. Children raised two fingers in a 'v' for victory and peace. Dbeibeh was appointed in March, sworn in by Libya's divided parliament after his selection via a U.N. talks process, a…