This strikes me as a very big deal:

Pakistani and American ground troops exchanged fire along the border with Afghanistan on Thursday after the Pakistanis shot at two American helicopters, ratcheting up tensions as the United States increases its attacks against Qaeda and Taliban militants sheltering in Pakistan’s restive tribal areas.

My worry is that Bush is doing this for political, not national security reasons. I wish that suspicion were not even thinkable, but after the last eight years, I realize that this president (like McCain) does nothing that is not political.

(Hat tip: Larison)

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