05/23/2011 07:50 pm ET Updated Jul 23, 2011

U.S. Intensifies Pakistani Drone Attacks After Bin Laden's Death

MIRAMSHAH, Pakistan -- Based here in the remote, weathered hills of North Waziristan, is the Haqqani Network, a group of insurgents closely aligned with the Taliban that has long provided a safe haven for Al Qaeda.

The Haqqani Network is believed to be one of the greatest threats to U.S.-led NATO forces operating in neighboring Afghanistan.

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