The 4th Annual New Media Expo (formerly called the Podcast & Portable Media Expo) starts today, August 14-16 in hot Las Vegas. I am sitting in the lobby of the Hilton next to the Las Vegas Convention Center and podcasters from all over the country are coming to town to meet-up with old friends and are here to learn about what is new with podcasting. This year, I have been able to pull together a major Zune sponsorship and exhibition at the show. This is a great opportunity to for Zune to establish...