Leissner testifies 'greed and ambition' motivated 1MDB bribery

A former Goldman Sachs partner testified on Wednesday that "greed and ambition" drove his involvement in a bribery scheme that looted billions of dollars from Malaysia's 1MDB sovereign wealth fund.

Tim Leissner, the former chief of Goldman's Southeast Asia operation, is a star witness in the criminal trial of Roger Ng, the bank's former head of investment banking in Malaysia.

The trial began on Monday in federal court in Brooklyn...