The worst flooding across the U.S. Midwest in four years is disrupting everything from oil to agriculture, forcing pipelines, terminals and grain elevators to close and killing off thousands of pigs.

This time of year is especially dangerous for drunk driving because of holiday celebrations and frequent parties. Here are some tips for drivers to avoid a DUI and keep roads safe this New Years' Eve.

A look back at our favorite stories that appeared in National Underwriter Property & Casualty this year.