A nation of Flints: America has 1.2m miles of deteriorating lead pipes and they'll cost $1 trillion to fix

Lead pipes have a lifespan of about 75 years -- and America's lead pipe are about 75 years old. 3,000 American municipalities have 1.2m miles of lead pipe, and it's all overdue for replacement, but there's no plan in hand to do so, and any workable plan will cost about $1 trillion to execute. (more")