While I was working at Macworld Expo last week, Chuck Joiner of MacVoices pulled me from behind the mixing board out to the mic: With some convincing, we dragged Cyrus Farivar, the engineer for all the shows taped in this year’s Macworld.com Podcast Studio, up to the mic to find out what he’s been up to since leaving his post at Macworld magazine. Cyrus talks about his love of technology journalism, his mentors at Macworld, how he uses his grandfather…