The audiotape played in court yesterday by federal prosecutors have brought one question about the D.C. taxi investigation to the fore: Who is Causton Toney, and how is he caught up in all this?
Toney is a former chairman of the D.C. Taxicab Commission, and before that served Mayor Anthony Williams in his economic development office. [...]

Today, federal agents busted dozens of cab drivers and owners in what looks to be a wide-ranging corruption probe. At the center of the investigation is D.C. Taxicab Commission chair Leon Swain Jr., who has headed the commission since July 2007.
Court documents indicate that Swain's cooperation with authorities was what launched this probe and ultimately [...]