For the first time in, apparently, ever, Wal-Mart sits atop the DFW Latino Trendline survey as the “top destination for groceries” among area Latino shoppers, beating out Fiesta and Carnival. In a related story, Fiesta and Carnival are still tied for No. 1 as the stores most likely to cause area Caucasian shoppers to crinkle their noses and squint dismissively when they are mentioned, according to a poll conducted in my cubicle.