State Senate leader Don Perata has incurred legal costs averaging $116,000 per month to defend against an FBI inquiry into whether he received outside income for legislative work, according to records released Monday. The Oakland Democrat remained $260,000 in debt as of June 30 despite raising $322,000 from longtime campaign contributors since establishing his defense fund in February, according to campaign finance reports filed with the secretary of state's office. One of the Senate president pro tem's two largest donors was Sacramento developer Angelo Tsakopoulos, who gave $50,000 to the legal fund in June. Tsakopoulos was outside the United States...