Though we're only halfway through 2011, natural disasters have already cost the U.S. $32 billion, and that number will continue to climb. Over the weekend, the Suris River crested in Minot, North Dakota, leaving 4,000 homes underwater. Fewer than 400 residents of the city–the state's fourth largest–have flood insurance. North Dakota has the lowest unemployment rate in the U.S., and one of the fastest growing economies.   Dave Thompson, news director for Prairie Public Broadcasting in North Dakota, speaks with us about the latest news from the region and what the economic impact might be.