51.   Even though the group is thought to have no more than a couple of dozen active members, officials acknowledged that they could not guard many potential targets.

52.   Every step in this process offers a potential target for antiviral drugs.

53.   Every new computing feature becomes a potential target of the viruses of tomorrow.

54.   Even before the beginning of the military action, most Northern California emergency services agencies had already stepped up surveillance and patrols at sites deemed potential targets.

55.   Financial Bancorp remains a potential takeover target after its chief executive resigned Tuesday, an analyst said.

56.   Ferreira and his Portugal Telecom counterpart, Francisco Murteira Nabo, tapped Cape Verde and the Dominican Republic as potential early targets.

57.   Financial services companies, seen as potential takeover targets, gave the state index perhaps its biggest boost.

58.   For some, there are other issues, suggesting another potential target for the authors.

59.   For weeks, he had been certain that his name was on a list of potential targets for right-wing gunmen.

60.   Government officials have moved to tighten security at airports, nuclear power plants, federal buildings and other potential targets.