Friday, the group organizing the campaign to provide Sacramento’s mayor with more power delivered to City Hall signatures of residents who favor a “strong mayor” city government. The paperwork that contained the signatures filled 13 boxes, said acting city spokeswoman Wendy Klock-Johnson. The idea of changing Sacramento’s current “council-manager” system to a “strong mayor” format continues to be controversial. The group, Sacramentans for Accountable Government, brought signatures to City Hall to meet requirements to put the “strong mayor” proposal on an upcoming ballot. Mayor Kevin Johnson supports the "strong mayor" campaign. At the same time, the city’s Charter Review Committee is exa