GREELEY, Colo. -- Retired police officer Ed Clark ousted Mayor Tom Selders by a wide margin Tuesday after a hard-fought campaign that often centered on illegal immigration. Clark had 61 percent of the votes to Selders' 39 percent in unofficial final results. Immigration is a heated issue in Greeley, where a raid by federal immigration agents in December rounded up about 260 Swift & Co. meatpacking plant workers. Selders has said such raids create community turmoil that could be avoided with better policies. He was criticized for traveling to Washington in May to discuss the impact of the raids. A...