Tom Levenson & Deborah Blum: The Poisoner's Handbook

Tom Levenson talks about The Poisoner's Handbook poison, the emergence of systematic chemistry as a tool, the issues we face of our ignorance of so much of the chemical universe — the West Virginia spill will be our proof text there — and more –  with Pulitzer Prize winning writer Deborah Blum. Follow @deborahblum @TomLevenson