8/08: Romney, Obama battle for swing states; National Guard recruitment soars

      |With just 90 days left until the general election, the latest CBS News poll shows where Mitt Romney and President Obama stand in the state-by-state battle for the White House; Also, the FBI says the deadly shooting spree at a Wisconsin Sikh temple ended when gunman Michael Wade Page killed himself; And, the spectacle of air shows is pushing recruitments to the Air National Guard to new heights. Seth Doane reports.

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