91.  But the first line of defense has to be the African nations themselves.

92.  But someone pitches Arthur a softball by asking him to identify the first line from one of his own books.

93.  But the first line of defense is the doorman.

94.  But with the continued holdout of first-line center Jozef Stumpel, Robitaille could return to the first line.

95.  But until recently, there was no stopping HIV once it had eluded this first line of defense.

96.  But what they have really needed is a center on the first line to make plays, someone who can also take charge of a power play.

97.  By midnight, the Russians had seized the first line of trenches.

98.  By the time Ms. Cole has uttered the first line of the song, the Ramones are already on the eighth.

99.  By the way, Jere, the Stars are banking on your return as a last-resort way to jump-start a slumping first line.

100.  Campbell did not attribute the loss to his first line but to the lack of scoring from his second and third lines and the power-play failures.