From the time Mayor Richard Daley took office, dozens of city department managers gathered before elections at the plumbers' union hall or other sites to get campaign marching orders from top mayoral aides, a former Daley loyalist testified Monday in the City Hall corruption trial. Donald Tomczak, a longtime Water Department official and veteran political operative, said he then would summon his top deputies to his office in the Jardine Filtration Plant to tell them which candidates would get help from hundreds of blue-collar city water workers. After elections, Daley aide Robert Sorich fielded requests for promotions from the political...