9/12: Suspected al Qaeda link in consulate attack; drought dries up Ark. River

      |U.S. officials suspect that the attackers who carried out the deadly assault on the U.S. Consulate in Benghazi, Libya, are either linked to or sympathize with al Qaeda. And, as David Martin reports, they likely took advantage of a demonstration sparked by an anti-Muslim film to launch their assault on the anniversary of 9/11; And, farmers in Kansas depend on water from the Arkansas River to irrigate their crops. Jim Axelrod reports the devastating drought has dried up 200 miles of the river leaving no water to divert causing profits to be cut in half.

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