Michigan Gov. Rick Snyder declared a state of emergency in the city of Flint after it was revealed that its temporary water source, the Flint River, was poisoned by lead, exposing approximately 100,000 residents to a chemical known for causing serious and often permanent brain damage. We talked about how the water was contaminated, how long officials knew about it, and what it means for the residents of Flint Michigan with environmental Justice Activist Valerie Jean, an Organizer with Detroit Coalition Against Tar Sands,