EcoWatch: In last night`s Democratic presidential debate, a day after the horrific terrorist attacks in Paris, Bernie Sanders stood by his claim that climate change is the greatest threat to national security.
CBS`s John Dickerson, last night`s moderator, asked Sanders : "You said you want to rid the planet of ISIS. In the previous debate you said the greatest threat to national security is climate change. Do you still believe that?"
"Absolutely," Sen. Sanders replied. "Climate change is directly related...