PROVIDENCE, R.I. — What can we learn from the financial-disclosure statements filed earlier this week by Rhode Island's top-tier office-holders — and challengers?A sampling:One Republican candidate for governor, Cranston Mayor Allan Fung, disclosed that he has a personal financial stake in a company with a $4.4-million city trash-hauling contract.A second Republican running for governor, House Minority Leader Patricia Morgan, disclosed $3,550 in payments by [...]