http://www.atimes.com/atimes/South_Asia/IH11Df01.html
Taliban a step ahead of US assault
By Syed Saleem Shahzad
Twenty-nine bases in the tribal areas of North Waziristan and South Waziristan on the border with Afghanistan that were used to train militants have simply fallen off the radar.
and
further analysis:
http://billroggio.com/archives/2007/08/pakistan_concern_ove.php
Opinion: I can think of several reasons why the camps may have been emptied, none of which make me comfortable or happy.
Additional info:
http://littlegreenfootballs.com/weblog/?entry=26619_Al_Qaeda_Camps_in_Pakistan_Abandoned#comments
Al Qaeda Camps in Pakistan Abandoned?
Emptying the camp can either indicate major offensive operation underway or two, a fear of a military strike (either preemptive or retaliatory). The Taliban have had their clocks cleaned in combat in Afghanistan, so the trainees could simply be deployed trying to reinforce the units there until winter returns. Definitely something to keep one’s ears to the ground on. They learned quickly that if we are hit, we can and most likely will, strike their bases in Pakistan, irregardless of Musharraf.