One of the depositions taken in a case involving fraud and corruption in city contracting contains some fascinating detail about how City Hall worked under Mayor Willie Brown -- and the role the current mayor, Ed Lee, played in the behind-the-scenes action. The deposition of Deborah Vincent-James, who used to run the city's technology purchasing agency, was taken by Matt Springman, an attorney with Gonzalez and Leigh. You can read the whole thing here (pdf).It gets pretty interesting around page 49, and the Ed Lee/Willie Brown stuff starts on p. 85.