First, Joshua Holland shares some thoughts about Friday's terrorist attacks in Paris.
Then we go back to the archives to speak with Thomas Hegghammer, director of the Norwegian Defence Research Establishment, about why thousands of Europeans have joined ISIS.
Finally, we'll reprise a recent interview with Francesco Femia, director of the Center for Climate and Security, about the role a historic drought, likely aggravated by climate change, played in launching the Syrian civil war.
Barry McGuire: "Eve of Destruction"
Buffalo Springfield: "For What It's Worth"
Vintage Postmodern Jukebox: "Creep"