text:  We can't declare our independence from inflation just yet, but as NPR's Scott Horsley reports, people shopping for Fourth of July cookouts will feel a little less heat at the checkout this year. Grocery prices have risen just 1% in the last 12 months after skyrocketing in the two previous years. Economists at Wells Fargo say backyard chefs can whip up a quarter-pound hamburger, complete with lettuce, tomato, and cheese, for just over $2, less than a third of what you might pay at the local drive-thru.