WASHINGTON — Incoming House Speaker Nancy Pelosi terrified the oil industry late last year when she outlined her priorities for the new Democratic majorities in Congress. Within the first 100 hours, she promised, they would "roll back the multibillion-dollar subsidies for Big Oil." Last week, however, when Pelosi (D-San Francisco) won House approval of the much-touted bill socking it to the oil companies, it turned out to be considerably less drastic than many in the industry originally feared. Out of an estimated $32 billion in subsidies and tax breaks that the oil companies are scheduled to receive over the next...