A nimble New York grocery store follows Latino immigration to the south

It started with a single Dominican bodega worker. Now his family's chain, Compare Foods, has found a sweet spot in the sun belt's changing demographics

Ivan Almonte has been in the US for almost 25 years years, but he still takes photos of the perfect produce - bouquets of epazote, mountains of chiles and perfectly ripe tunas from the prickly pear cactus - in his favorite Durham, North Carolina, grocery store.

The 45-year-old remembers when those items were hard to find in this bustling New South city, when he first arrived in 1999 from California after emigrating from Michoacan, Mexico.