FORT WORTH, Texas — Hundreds of thousands of Dallas-Fort Worth residents were without power Tuesday as record low temperatures bore down on the region and more winter weather loomed on the horizon. Road conditions were also dangerous in many spots across North Texas, with the frigid temperatures freezing over precipitation from the weekend, according to the National Weather Service in Fort Worth. Tarrant County issued a disaster declaration Tuesday, stating that citizens and businesses have been impacted by impassable roads and power outages. Many residences and storefronts across the county h...