61.   Experts have speculated that flooding brought on by the weather phenomenon El Nino may have contaminated drinking water and allowed pests that breed in floodwaters to flourish.

62.   Experts speculate that al-Qaida may be using steganography, or embedding messages inside an otherwise unrelated file, such as an image.

63.   Experts speculate that hardships might prompt some Russian scientists to sell their know-how on the black market.

64.   It was not immediately clear what had made the elephants move, although experts speculate there may be food shortages in the forest sanctuaries where they live.

65.   Korea experts speculated the North may have been trying to use Sugishima as leverage against Japan to win more aid or a cash payment in exchange for his release.

66.   Legal experts speculate that the business-friendly Bush administration has no stomach for the case and wants to quickly end it.

67.   Other experts speculated the walrus was taking a break before continuing.

68.   One legal expert speculated that the motions will probably not pose a serious obstacle for the prosecution.

69.   Serb military experts have speculated that a first wave would concentrate on the Yugoslav air defense and radar and then move on to airfields and military warehouses.

70.   Security experts have speculated that leaders of the FARC, a seven-man council called the Secretariat, are based in Meta mountains.