ATHENS -- Jewish community leaders on the Greek island of Salonica reported a breakthrough on Thursday in their campaign to sue the German state to recover a ransom paid to Nazi invaders in 1942. The head of the campaign group, David Saltiel, said that the group had unearthed written evidence, recovered from banking archives, showing that a payment of 1 billion drachmas was made to the Nazis with seven different checks. The group "has started a legal process aiming to recover the ransom from the German state", Saltiel said. "We are waiting for an imminent decision from the Greek Supreme...