You can scan the barcode on any product and the free app will trace its ownership all the way to its top corporate parent company, including conglomerates like Koch Industries.

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We trace generations of African Americans, free and slave, who risked everything to realize their God-given rights.

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The company of dwarves trace a similar arc themselves as they struggle morally to free themselves from the captivity of kingdom, pride, and treasure which destroyed their kingdom two generations earlier.

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But Richard Glatzer and Wash Westmoreland have kept it smart and irony-free -- there isn't a trace of condescension in their evocation of working people trying to hold it together, if not get ahead, or in their concentration on familiar, even timeless themes.

WSJ: Film Review