Special Report: In North Dakota's oil patch, a humbling comedown

By Ernest Scheyder WILLISTON, N.D. (Reuters) - Dave Van Assche didn't fret too much when oil prices started to slide in late 2014. The postal services business he had built over three short years was thriving, catering to the tens of thousands of people who, like him, had streamed into North Dakota to strike it rich during an unprecedented oil boom. Within a year, oil prices were down more than 70 percent, and North Dakota's oil rush stalled.