WASHINGTON (AP) — Inflation has changed the way many Americans shop. Now, those changes in consumer habits are helping bring down inflation. Fed up with prices that remain about 19%, on average, above where they were before the pandemic, consumers are fighting back. In grocery stores, they’re shifting away from name brands to store-brand items, switching to discount stores or simply buying fewer items like snacks or gourmet foods. More Americans are buying used cars, too, rather than new, forcin...