Slate: At Saturday night's second Democratic presidential debate, just a day after ISIS launched horrific coordinated terrorist attacks in Paris, moderator and Slate political columnist John Dickerson asked Bernie Sanders a straightforward question: "Sen. Sanders, you said you want to rid the planet of ISIS. In the previous debate you said the greatest threat to national security was climate change. Do you still believe that?'
Sanders didn't hesitate: "Absolutely.'
On Twitter, David Axelrodthe architect...