IE 11 is not supported. For an optimal experience visit our site on another browser.

Toxic BP oil clean-up chemical sickening those exposed

10:29

Mark Hertsgaard, contributor to The Daily Beast, talks with Rachel Maddow about the devastating health effects of Corexit, the oil dispersant used by BP in the Gulf to clean up oil from the Deepwater Horizon spill on the workers and residents of the area.