Reports of contamination in Flint Michigan's water supply were ignored or dismissed by local, state and federal officials…long enough to allow the spread of lead poisoning. We hear about cost-cutting, cover-ups and long term consequences for public health and trust in government.
Later on the program, Pluto was downgraded 10 years ago as too small to be a real planet. But now, there's evidence of an object five to 10 times bigger than Earth. Even though nobody's actually seen it, astronomers call it Planet 9.