What's behind Wal-Mart's slumping same-store-sales in the U.S.? Should Netflix fear Amazon's new video streaming service? Which stocks will benefit from rising oil prices? And how could shareholders possibly lose by investing in a business called Rent-A-Husband? All that plus CNBC's Brian Shactman talks about the future of the tobacco industry in advance of CNBC's new documentary, Cigarette Wars.
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