Bill Nye, Marsha Blackburn Climate Change Debate: The 'Science Guy' And Tenn. Congresswoman Tackle The Issue On 'Meet The Press'

On the heels of U.S. Secretary of State John Kerry's impassioned warning that climate change is pushing our planet towards it's tipping point, Bill Nye and Tennessee congresswoman Marsha Blackburn went head-to-head on NBC's "Meet the Press" to discuss the issue.