A major international bank that has generated controversy on the national level is being welcomed to Sacramento by the city’s mayor. At the same time, Goldman Sachs is being sued by a city councilman. Sacramento Mayor Kevin Johnson’s volunteer arena task force has applauded Goldman for volunteering to work with task force members to analyze proposals for a new entertainment and sports complex. Meanwhile, City Councilman Steve Cohn is suing Goldman as part of his day job. Cohn is the Chief Assistant General Counsel for the Sacramento Municipal Utilities District, which is fighting Goldman in federal court in New York. SMUD alleges that Goldman and 46 other financial companies together ch