8/28: Obama on ISIS: "We don't have a strategy yet"; Track announcer retires after calling four decades of races

      |President Obama said a decision on air strikes in Syria is days if not weeks away. He questioned whether they would be effective against ISIS without the help of neighboring Middle Eastern countries; and, 63-year-old Tom Durkin has been calling races since 1974. He shares some of his most memorable moments at the track.

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