Mom and Pops grocery stores were charming, but inefficient. They contributed to Americans either spending a lot on their food or having to go hungry. The Great Atlantic and Pacific Tea Company changed the entire model. The A&P established a chain of stores selling branded goods at the lowest prices.   The A&P kept its profit margins slim and allowed Americans to buy more food for less - but this wasn't celebrated as a success story. Politicians, radio stars and vested interests ganged together to hound The A&P. They demanded the grocery chain change its strategy, raise prices and even put its owners on trial on criminal charges. So why didn't America like cheap groceries?  See omnystudio.com/listener for privacy information.