Washington PostSource of Potomac oil spill still a mystery as sheen begins to dissipateWashington PostWhile the Coast Guard and the District's Department of Energy and Environment reported Saturday that the oil sheen which had coated the Virginia side …

Washington PostOil sheen on Potomac sheaths geese; authorities are trying to contain itWashington PostSo far, 18 geese, eight more than Thursday, have been contaminated by oil of unknown origin at Roaches Run in Arlington, just north of Reagan National Air …

Washington PostPotomac geese covered in oil, but source of leak is unknownWashington PostSo far, 18 geese, eight more than Thursday, have been contaminated by oil of unknown origin at Roaches Run in Arlington, just north of Reagan National Airport, Coast G …

Fox NewsObama rips 'doom and despair' Republicans on economy, defends oil taxFox NewsHours after the Democratic presidential candidates went toe-to-toe on the debate stage in New Hampshire, President Obama used the bully pulpit Friday to take a sho …

MarketWatchHow the oil rout's 'endgame' might play out: a zugzwang?MarketWatchWhen terms like “oilmageddon” get bandied about, you know investors are feeling mighty beat up by the oil market, whose collapse is seen as a driver of weakness in st …