10 years after Flint's lead water crisis was discovered, a lack of urgency stalls 'proper justice'

FLINT, Mich. — Ten years ago, smiling politicians posed for cameras while pushing a button, swapping the main tap water source for this majority-Black, impoverished city to the Flint River — the untreated water that started flowing from residents’ taps would become contaminated when it corroded the pipes.