41.  How could future attacks be prevented?

42.  If that is achieved, as expected, Christopher will spend his time trying to win agreement on a longer-range proposal to prevent future attacks, the official added.

43.  In addition, they say, increased security and stronger international relations could prevent future attacks.

44.  In general, the president sought to tread a fine line between reassuring Americans and telling them to be on their guard against possible future attack.

45.  In opening remarks, Kathleen Sebelius, the president of the association, referred to industry efforts to get government help in dealing with future terrorist attacks.

46.  In this case, Gehman and Crouch did not even interview any witnesses under oath, saying their focus was improving security to prevent future attacks.

47.  In Washington, insurance lobbyists are making that very point with lawmakers, trying to get Congress to authorize an emergency fund that would cover future attacks.

48.  Increasingly, the lawmakers are concluding that the greatest political risk for them is to do nothing, rather than planning an orderly response to any future attacks.

49.  Instead the House legislation calls for a commission that will be more forward-looking, identifying reforms needed to help prevent future attacks.

50.  It also hosts U.S. warplanes used to patrol the northern no-fly zone over Iraq and would be central to any future U.S. attacks on that country.