Support WBURPresident Biden Wants To Replace All Lead Pipes. Flint Has Lessons To ShareSteve CarmodyMay 25, 2021 ShareHarold Harrington is a master plumber and is among the tens of thousands of residents of Flint, Mich., whose contaminated drinking water cast a spotlight on a threat faced by communities across the United States. (Cydni Elledge for NPR)
