Corroded steel, crumbling concrete and lack of investment are hurting the nation’s infrastructure, Steve Kroft contends in this 60 Minutes feature. Former Secretary of Transportation Ray LaHood said, “Our infrastructure’s on life support right now. That’s what we’re on.” Almost 70,000 bridges in the country are structurally deficient, Kroft reports, and some groups are warning that inaction on fixing the infrastructure threatens the country’s economic future. See the CBS News report here