That's weird. Dr. Brown's is in most grocery stores here, albeit certainly not on the levels of Coke. Maybe it's because of the relatively large number of New Yorkers from IBM that moved down here years ago.
 I'm not convinced that's the reason; I lived in N.C. until 1991 and also never had a problem finding Dr. Brown's. When did IBM invade R.T.P.?
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-- DLF