51.   The United States has no demonstrated way of shooting down satellites, though experts speculate that it may have secret ways that could work in an emergency.

52.   Until they are willing to talk in detail, aviation experts can only speculate about the new design.

53.   Other experts speculated that trees felled by winter avalanches were swept away by the torrent and formed a dam which then burst.

54.   A Singapore-based salvage expert has speculated that too much water was used to fight the fire, causing the ship to list.

55.   Ballistics experts speculated that the shot, fired from a difficult angle, may have been intended to frighten rather than kill him.

56.   Ballistics experts have speculated that the shot, fired from a difficult angle, may have been intended to frighten rather than kill him.

57.   Carrillo was reputedly the head of the powerful Juarez drug cartel, and drug experts have speculated his death touched off a power struggle in the city.

58.   Experts speculate that, among other things, early breast development may increase lifelong exposure to estrogen, which increases the chances of this malignancy.

59.   Experts have speculated that airline passengers may be at particular risk from the condition.

60.   Experts speculate more Democratic voters would be inexperienced or advanced in age.