Rationally Speaking #131 - James Randi on Being An Honest Liar

Rationally Speaking #132 - Live From NECSS 2015

Rationally Speaking #133 - Sean Carroll on "The Many Worlds Interpretatioln Is Probably Correct"

Rationally Speaking #134 - Michael Shermer on: "Science drives moral progress"

Rationally Speaking #135 - Robin Hanson on: "Most human behavior is signaling"

Rationally Speaking #136 - David Roodman on Why Microfinance Won't Cure Global Poverty

Rationally Speaking #137 - Marc Lipsitch on, "Should scientists try to create dangerous viruses?"

Rationally Speaking #138 - Ian Morris on, "Why the West rules -- for now"

Rationally Speaking #139 - Eric Schwitzgebel on "Moral hypocrisy: why doesn't knowing about ethics make people more ethical?"

Rationally Speaking #140 - Kenny Easwaran on, "Newcomb's Paradox and the tragedy of rationality"