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Petraeus scandal brings new scrutiny of military leaders' lifestyles

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The scandal surrounding Gen. David Petraeus and Gen. John R. Allen has brought new attention to the four-star lifestyle of America's top military leaders. Those who have worn four stars on their shoulders say it's a life of both privilege and peril.

"Being a four-star general is as close as people come to being rock stars who also have the ability to wage war," said Tom Ricks,  author of The Generals, an unsparing look at America's top military commanders.

NBC News Chief Foreign Affairs Correspondent Andrea Mitchell looks into the culture of those at the top.