Since a Minneapolis bridge collapsed in August 2007, killing thirteen, there has been a bitter struggle between federal authorities and local politicians over what caused the collapse. The National Transportation Safety Board has said it was a flaw in the structure’s 1960’s-era design, while Minnesota state ...

Matthew Wald of the New York Times summarizes the controversy in determining what caused last summer’s Minneapolis bridge collapse. The usually credible National Transportation Safety Board is arguing that the collapse was caused by the mid-1960’s design. A Minnesota state agency, Congressman and much of the public are ...