We love to pick apart our ranking in the multitude of lists on which our fair city appears. A new one came out today: StubHub, the online ticket marketplace, has compiled a list of the 20 "Most Rockin'" cities in America for 2008, based on summer ticket sales. Out of 90 cities in the ticket sellers' database, D.C. came in 18th. Not too bad, we suppose, and all the cities that came in ahead of......