51.   New York City is planning a drill to test its bioterrorism response plan this spring, but most cities have barely begun to consider how to respond.

52.   On Monday, the city began adding security officers and installing metal detectors to keep weapons out of the office.

53.   On Friday, this locked-down city began to stir to rumors that the curfew was being lifted for a few hours.

54.   On the tort side, Cardozo said that the city had just begun what he expected to be an exhaustive study of tort claims against the city.

55.   Once the short-term budget gaps shrink, the city should begin paying off debt as a way of addressing long-term problems, the mayor said Sunday.

56.   People are so restive and angry that on Thursday the city began sending police escorts to guard each truck.

57.   Recently, the city began broadcasting classical music on downtown Pacific Avenue to break up loitering, although it has yet to work.

58.   Recently, however, the city has begun to pay more attention to high achievers who are not challenged by the standard public school curriculum.

59.   Shaken badly, the city began courting manufacturers and other businesses that might resuscitate its economy.

60.   Schools Chancellor Rudy Crew embraced the recommendation, saying the city would begin this fall to experiment with year-round schooling.