Rachel MartinRachel Martin is the co-host of Morning Edition and Up First.
Like many regional orchestras, the Detroit Symphony Orchestra has struggled financially. But after a lot of work, it's set itself on solid footing and become a bright spot in a struggling city.
Gen. David Petraeus greets an Iraqi man at a tea shop in Baghdad in 2007. In 2011, Petraeus left the Army to become CIA director. He resigned Friday, citing an extramarital affair.
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