The judge who's hearing a Rochester City School District lawsuit against the city of Rochester says he'll issue a decision at 10 a.m. Friday. The district's lawsuit aims to stop a referendum that would approve a temporary state takeover of the district and removal of the school board. In June, City Council approved Mayor Lovely Warren's request for the referendum, which would be non-binding since only the state Legislature can remove the elected board. If the referendum survives the lawsuit,