Top Threats to America’s Infrastructure

For two grading periods in a row, the Army Corps of Engineers has awarded our nation’s infrastructure a “D”. But what are the top threats to our infrastructure? In this interview, Tom Mackin, instructor at the NPS Center for Homeland Defense and Security and Professor at Cal Poly, discusses the enormous needs in rebuilding our dams, waterways, airports, bridges and roadways, and the reasons why the political will to do so is so hard to find.

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