51.   Nuclear experts are divided on whether the design of new earth-penetrating warheads would require explosive tests.

52.   On the last question, antitrust experts are somewhat divided.

53.   Other dinosuar experts are sharply divided over the research.

54.   Public health experts have been divided over whether to incinerate the remaining stocks of virus.

55.   Political experts are divided on whether the tactic will work, but history offers Clinton some examples of success.

56.   Regardless, legal experts were divided on whether something like the Bogart patent would fall within the precise language of the law.

57.   Record industry experts are divided.

58.   So experts are sharply divided.

59.   Social-policy experts are divided.

60.   The award of the Nobel Prize to Rotblat and the group deeply divided experts, who assailed and praised him.