Pakistan's South Waziristan puzzle
What is Pakistan's government up to in South Waziristan?
Since the middle of May, the army has been conducting a military offensive against Pakistan's Taliban leader Baitullah Mehsud - whose hideout lies in the mountainous terrain there.
But unlike the recent operation in the Swat valley, it says it has refrained from going all out against the militants so far.
The reasons for this are not exactly clear.
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