ATHENS (Reuters) - Greece expects to agree a new austerity package with its lenders and for the EU and IMF to bridge their differences on how to cut the country's debt by the time EU leaders meet on October 18-19, Greek Prime Minister Antonis Samaras said. Greece is locked in talks with the European Union, European Central Bank and International Monetary Fund on a new set of spending cuts and reforms in exchange for the next tranche of loans saving the debt-crippled country from bankruptcy. ...