It’s been more than a year since I packed away my laptop computer, digital recorders, microphones, cables and cameras, and began covering Washington, D.C. with only my iPhone. When I first came to the top-rated all-news WTOP in 1997, the bag phone I carried weighed as much as a bowling ball. Reel-to-reel tape recorders (ask your parents) were the newsroom staple, but early versions of Cool Edit audio editing software signaled that the times, they were a-changin’.