A dollar once meant a lot of things.
As a kid in the ’80s, it meant four plays on my favorite video game at the arcade down the street. Or a few 32-ounce fountain sodas at the corner store. Maybe a king-size Snickers bar before those were phased out a decade ago.
Today, a dollar doesn’t go quite as far. But for anyone living in a San Antonio food desert — and we have plenty — that value is well known. San Antonio, according to data from the U.S. Department of Agriculture, has one of the nation’s largest percentages of people living in metropolitan areas with limited access to fresh and healthy food…