New York Times: For several days last month, Steven Jensen smelled the oil, wafting up over his rolling wheat farm near Tioga. But in that part of northwestern North Dakota, where the rush to tap the Bakken shale field is roaring, the scent of crude is hardly uncommon. It was not until Sept. 29 that Mr. Jensen came across a six-inch spurt of oil gurgling up from his land and reported a spill. As it turned out, a Tesoro Logistics pipeline had ruptured, spreading more than 865,000 gallons of oil across seven acres...