Conspiracy theorists have many "reasons" for why we've never been to the moon: the Van Allen radiation belts are too deadly, the challenges are too difficult, re-entry into the atmosphere is too hot. But Jason Funk, who asked today's question, points out that the cranks have at least one point—if we did go to the moon in 1960s, why haven't we been back after five decades of technological evolution? Good question. Let's dive in.   TO HELP OUT THE SHOW Leave an honest review on iTunes. Your ratings and reviews really help and I read each one. Subscribe on iTunes or Stitcher