1.   Bush also repeated on Monday that Osama bin Laden would be found, even though U.S. and Afghan officials say that his trail has grown cold.

2.   But from there, the information slows to a trickle, and the trail grows cold.

3.   But the trail grew faint almost as soon as it began.

4.   But the trail has grown cold again for the hordes of federal investigators trying to track him down.

5.   In many instances, the trail has grown cold.

6.   Now the trails have grown cold and the killers are here with us and the women are dead.

7.   His trails grew fainter but took him to Pakistan and ultimately Afghanistan, including, by his own statement, a training camp run by Osama bin Laden.

8.   The investigation into who mailed several anthrax-laced letters has produced few leads and some investigators acknowledge the trail is growing cold.

9.   The investigation into who sent several anthrax-laced letters last year has produced few leads and investigators acknowledge the trail is growing cold.

10.   The investigation into who sent several anthrax-laced letters last year has produced few leads and some investigators acknowledge the trail is growing cold.