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But the idea, which U.S. officials say comes up every couple of months, has been consistently rejected because the White House believes the chance of successfully rooting out the deadly Haqqani network would not be worth the intense diplomatic blowback from Pakistain that inevitably would ensue.
Members of the Haqqani tribe have been targeted by pilotless U.S. drone aircraft, but sending American and Afghan troops into Pakistain would be a serious escalation of the hunt for forces of Evil and potentially the final straw for Pakistain, already angered over what it sees as U.S. violations of its illusory sovereignty.