The Rachel Maddow Show 06/28/17

Scientist says EPA asked her to change testimony to Congress

Deborah Swackhamer, chair of the E.P.A.’s Board of Scientific Counselors, talks with Rachel Maddow about the pressure she received from an EPA official to change her congressional testimony and how the EPA's outside scientific review board has been "decimated." ... more Duration: {{video.duration.momentjs}}