71.   Security experts have speculated that the rebel leadership, a seven-man council called the Secretariat, is based in the area.

72.   Some experts have speculated that the country may fail to repay such a high debt.

73.   Some experts speculated that China would expel Wu to eliminate a source of controversy before a United Nations conference on women early next month.

74.   Some Middle Eastern experts have speculated that the two Americans were being held as leverage for Iraq to force an easing of sanctions.

75.   The reasons are tough to pinpoint, but experts speculate more Democratic voters would be inexperienced or advanced in age.

76.   U.S. officials have refused the offer, but some experts speculate that Pyongyang might settle for aid and investment rather than a cash payoff.

77.   Aviation experts speculated that the plane had problems with an on-board computerized navigation system.

78.   Experts have speculated that the explosion was caused after vaporised asphalt permeated and ignited inside a room on the first floor of the plant for solidifying asphalt.

79.   The price was a Hong Kong record for a single plot and property experts speculated it may also have been the highest in the world.

80.   Western experts have speculated that China, with North Korea, helped Pakistan develop nuclear weapons.