We may not realize it when we're eating mince pie, decorating the tree, and singing carols, but a lot of our Christmas traditions come from the Medieval world. And so too does the modern world—at least according to Thomas Cahill. We speak with him about his book "Mysteries of the Middle Ages and the Beginning of the Modern World."

This week on Fordham Conversations, climate change, evolution and resurrection with Fordham plant biologist Steve Franks. Also, a look at why companies seem so much greener than they used to be...even though they might not be.

When Georgia and Russia suddenly went to war this summer, many had their suspicions about the war's real causes--was this a proxy war between Russia and the US? Was it all about oil? Or, was it because Russia can't get no respect? This week on Fordham Conversations, we speak with journalist, former CBS Moscow Bureau chief and Fordham professor Beth Knobel: She covered the war for CBS, and who says it's more about the latter than we might imagine.