Two Macintosh Expos, one regional and one international, are spotlighted in this week’s edition of the User Group Report, the Internet radio show hosted by Chuck Joiner, editor of the MUG Center. Guests include: Warwick Davies, group vice president of IDG World Expo; Paul Kent, conference chairperson for Macworld Expo Boston; and Chris Kiltz of the Josephine County Macintosh Users Group. Kiltz will talk about the Rogue Valley Mac Expo.