PBS News Weekend 
Season 14, Episode 42 of 99
The water crisis in Flint, Michigan illuminated broader issues from contaminated drinking water to water shortages nationwide. Erin Brockovich, an environmental activist who became well known for her successful lawsuit against the Pacific Gas & Electric Company in 1993, has written a new book "Superman's Not Coming: Our National Water Crisis and What We the People Can Do About It." NewsHour Weekend's Christopher Booker reports.
