After a landslide election victory in Greece - the leader of the coutnry's Socialists - George Papandreou - has started work putting together a cabinet. Appointments to the key finance, foreign and economic ministries are expected as early as Tuesday. The Socialists won a decisive mandate to battle corruption and lead the contry out of its worsening economic downturn. The early eleciton was called by conservative Prime Minister Kostas Karamanlis.