Dave attempts to channel the spirit of President Harry Truman, but ends up getting his voice mail; with Rupert's assistance, a tourist from British Columbia takes a vacation photo with Dave; Steve Carell plugs Get Smart; Dr. John and The Lower 911 performed "Time for a Change."
Tonight Stephen welcomes the co-founder of the Berkman Center for Internet & Security and author of The Future of the Internet--And How to Stop It, Jonathan Zittrain.