Episode 293

September 13, 2013

Guests

Edwin Lyman

Senior Scientist at the Union of Concerned Scientists

Bill Nye

Emmy®-winner for 'Bill Nye, Science Guy,' who will be a contestant on 'Dancing with the Stars' this season

Zanny Minton Beddoes

Economics editor for The Economist

Michael Steele

Fmr. Lt. Governor of Maryland (R) and partner of Purple Nation Solutions

Matt Taibbi

Contributing Editor for Rolling Stone