An estimated 1 million people who are in the country without legal status work in the restaurant industry. Some food-service workers are no longer driving and instead are taking Uber to their restaurant jobs. Restaurants, cafes and bars are “super easy targets” for immigration raids, said immigration attorney Kim Luu-Ng. The chilly first two months of the year are usually a peak business period for Teddy’s Red Tacos, where diners indulge in the restaurant’s specialty, birria — spicy, warm and deeply tender meat slowly braised in its own fat and served with a pool of flavorful broth. But this...