51.  The Ravens defense is such a force, it turned offensive guru Brian Billick into a coaching conservative.

52.  The Ravens defense is such a force, its members talk openly of shutting out the Giants this Sunday in Super Bowl XXXV.

53.  The United States said Saturday that it was not ready to join such a force, but appeared to leave the door open for that option.

54.  The United States and its NATO allies have insisted that such a force could include troops from Russia and other non-NATO countries but it would be led by NATO.

55.  The world always will need such a force, Mauldin contends.

56.  There has never been such a force, and none was ever planned, diplomats say.

57.  They are defenseless in the face of such a force.

58.  They theorized that one effect of such a force might be a slow weakening of gravity as the universe expanded.

59.  To make such a force more acceptable to Serbia, it ought to include Russian troops.

60.  Ward was such a force that Collins questioned why coach Jeff Van Gundy played injured guard Chris Childs throughout the majority of the second quarter.