Russian President Vladimir Putin said on Monday that Syria's crisis must be resolved through negotiations not force, and warned that if President Bashar al-Assad's government was toppled a civil war could continue. After talks with Italian Prime Minister Mario Monti, Putin said last week's vote to extend an observer mission showed that compromise could be found at the United Nations but gave no sign Russia would drop its opposition to sanctions or intervention. "We think that the future of a country should not be decided on the basis of military victory or defeat of one of the sides, but through...