A thermometer reads the temperature atop an empty Maryland ice cream store freezer on Tuesday. Many grocery stores and restaurants are still waiting for power to return for the first time since last weekend's severe storms. Patrick Semansky/AP Photo hide caption

toggle caption Patrick Semansky/AP Photo

Volunteers distribute food outside a Philadelphia Department of Public Health hearing in March on rules banning outdoor food distribution. Alex Brandon/AP hide caption

toggle caption Alex Brandon/AP