| http://www.w3.org/ns/prov#value | - The president???s campaign went up with a new ad featuring Collin Powell endorsing the president. ???I think we ought to keep on the track we???re on,??? says the former chairman of the Joint Chiefs of Staff who was secretary of state under President George W. Bush.Officials said the ad would run in 10 states, including Minnesota, one of the states where Romney and his GOP allies launched late adv
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