Today's Takeaways: The Trials of War, The Sounds of Brazil, and a Test of Conservatism

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A young boy plays football at sunset on June 8, 2014 in Rio de Janeiro, Brazil.
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1. Is Iraq Still America's Problem? | 2. Sebastian Junger on Sgt. Bergdahl, His Latest Film, and the Trials of War | 3. A Brazilian Soundtrack for the World Cup | 4. The Cult Following & Tribalism of CrossFit