As the presidential election heats up Americans still see the economy as the number one issue. But try to imagine a town with just 1 percent unemployment where they can't build houses fast enough for a surging population, and schools are struggling to hire dozens of new teachers. While much of the U.S. is struggling, Williston, North Dakota, is enjoying a boom most cities can only dream of. It's all thanks to one thing: oil. CNN White House correspondent Dan Lothian reports.