"The intractability of poverty in America"

Several days before Warren Buffett's financing of a Burger King takeover, news outlets reported on takeover bids among the discount dollar retailers.

Is Warren Buffett, through his new Burger King investment, out to get his fair share of the poor man's dollar? Maybe some things are intractable and....simply irresistible.  PB
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From Reuters.com:

Family Dollar Stores, which operates about 8,200 stores in mainly urban sections of the U.S., is the target of an $9 billion cash takeover offer from rival Dollar General and an $8.5 billion cash and stock offer from Dollar Tree.

Both competitors are betting not only on the health of the deep discount retail sector but also on the intractability of poverty in America.
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http://www.reuters.com/article/2014/08/24/us-familydollar-offer-poverty-analysis