What do the Godfather and Terrence Malick's "The Tree of Life" have in common?  I talk to Dr. Walker Cosgrove about his argument that the great Italian poet Dante Alighieri has influenced not just the Godfather trilogy, but also Malick himself and the great 2011 movie "Of Gods and Men."  Whether you've seen these movies or not, this is a fun, wide-ranging conversation.  There are spoilers within.