Experts: Flint could be 'canary in coal mine' for nationwide challenges

Protesters gather outside the state Capitol before Michigan Gov. Rick Snyder's State of the State address, Tuesday, Jan. 19, 2016, in Lansing, Mich. With the water crisis gripping Flint threatening to overshadow nearly everything else he has accomplished, the Republican governor again pledged a fix Tuesday night during his annual State of the State speech. (AP Photo/Al Goldis)