How to Name Your Language

Caleb asks why in iTunes, I am only able to view slash download only the most recent episodes. Is there any chance of Mark Rosenfelter getting on the podcast? We have invited him on twice and neither time was it just didn't work out. Eventually we hope to have the Zompus to be on the conlangerate. But right now it's one of those guys who doesn't believe he would be good on the radio.