Edward R. Vrdolyak pleaded guilty Thursday to a felony count for helping another lawyer dodge his taxes.Vrdolyak admitted he assisted co-defendant Daniel P. Soso in evading federal income taxes owed for the years 1993 through 2004 and 2008 through 2013.Vrdolyak, nicknamed “Fast Eddie” for the skill he once displayed as a political wheeler-dealer, was subdued during his appearance at the Dirksen Federal Courthouse.He gave a series of “yes” answers as U.S. District Judge Robert M. Dow Jr. asked him if …