Reporting from Taft, Calif.— Anywhere else, linking an aromatic cup of coffee and a gooey glob of oil would quickly kill a restaurant. Not so in Taft, Calif., the Taft Crude Coffee House is a popular stop for hot coffee or iced mocha. And in an era when oil spills tend to be environmental disasters, people here are happy to provide directions to the Lakeview Gusher, even though it spewed more than 9 million barrels of oil, nearly twice the amount spilled in 2010 from the Deepwater Horizon, the ill-fated British Petroleum rig in the Gulf of Mexico. Over 18...