We sit down with the Prince of Petworth, the man who founded the popular community blog Popville, which “chronicles the happenings in Washington D.C.’s neighborhoods.”Dan Silverman tells us how he came up with the idea to start the blog, where he gets his stories, and why his space on the Internet has become a sounding board for D.C. residents. Then we get into a little wordplay with our favorite picks of the more than 300 new words added to the Merriam-Webster dictionary.