41.   Though the Simpson case raises some interesting and important questions, it is so unusual as to be useless in answering them.

42.   Up on the lawn, fans had trouble seeing the action onstage because the video screens were rendered useless in the daylight.

43.   Workers said the dogs trained to sniff out corpses had become useless in pinpointing bodies, because the smell of them was everywhere.

44.   Cell phones probably will be useless in the communications crush.

45.   Tears in his eyes, he fumbled for change with his left hand, his right arm useless in a sling.

46.   That frequency was normally useless in the area, so Donaldson used another.

47.   The United States has pushed for a way to give the treaty teeth since Iraqi armaments discovered after the Gulf War showed it had been useless in stopping violators.

48.   Without a signature by Kosovo Albanians, the threat of airstrikes is useless in trying to pressure the Serbs.

49.   Lukashenko, who has stifled opposition in his country, regards a public debate on the union as useless in Belarus.

50.   Military experts said anti-personnel mines are virtually useless in modern military operations, in an ICRC report published ahead of the conference.