Your Mac Life, an Internet-based Mac radio show hosted by Shawn King, has announced the lineup for this evening’s broadcast (8:30 p.m. – 11:00 p.m. ET). Tonight Shawn will talk to John Gruber, an excellent independent Mac columnist who will discuss his latest article, “The Art of the Parlay, Or: How I Learned to Stop Worrying About Platform Licensing and Market Share.” The show will also feature Bill Atkinson, a member of the original Mac team who is now a full time nature photographer. Peter Cohen of MacCentral will also be on hand with the latest Mac gaming news.