The ubiquity of Joe the Plumberhttp://firstread.msnbc.msn.com/archive/2008/10/22/1581356.aspxFrom NBC/NJ's Athena JonesRICHMOND, Va. -- It seems that Joe the Plumber has earned a permanent spot in 2008 campaign lore. In the final weeks of the 2008 election both candidates are mentioning his name on the stump almost daily. Obama even invoked himen-USCommunityServer 2.0 (Build: 60608.1)