On a recent steamy Sunday afternoon, customers strolled through the aisles of Glenn Miller’s Beer & Soda Warehouse, where overhead fans circulated the hot air.People heading to picnics, graduation parties and other get-togethers in Lemoyne, a Pennsylvania community just across the Susquehanna River from Harrisburg, breezed into the store, passing myriad displays of beers, with cases of top brands stacked high.Next to 30-packs of Miller Lite, on sale for $24.99, sat a stack of Bud Light. A large banner above it noted that, after a rebate, a 30-pack cost a mere $8.99.Andy Wagner, the manager and an 18-year veteran of the store, said the Miller Lite was selling well. And the Bud Light? Not so much.“At this point, it’s cheaper than some of the cases of water we’re selli …
