The tinderbox that is North Texas erupted Tuesday into wind-blown grass fires that torched homes in Tarrant and Hood counties and blackened thousands of acres across the region. In Hood County, flames destroyed 20 to 30 homes, displacing 50 to 75 people, officials said. Five homes in Arlington and three in Kennedale were seriously damaged or destroyed, officials said. Near Gainesville, a woman died trying to protect a home from fire, authorities said. "I can't tell you how fast these fires have ignited," said Traci Weaver, a spokeswoman for the Texas Forest Service. "It's just crazy." Gov. Rick Perry issued...