LOS ANGELES (AP) - U.S. Border Patrol agents have made more than 150 arrests in a sweep for illegal immigrants through communities far from the Mexican border, a practice authorities say will continue indefinitely. In some cases, agents stopped people on streets or as they stepped off buses in Corona and Ontario, cities roughly 40 miles east of Los Angeles. Until August, a four-year-old policy had confined agents to making arrests of suspected illegal immigrants only near the border or at highway checkpoints. Local police said they were not involved in the sweeps, which have frightened some people in heavily...