The image of the first day of school at the new Pittsburgh Westinghouse 6-12 in Homewood still sticks in one teacher's mind. "I think the first day in August was so beautiful. They came in their uniforms. You could see the expectations that things were going to be different. We're really going to focus on our learning," she said. (Today)

Republican presidential front-runner Mitt Romney cruised to victory in the Nevada caucuses Saturday night, notching a second consecutive triumph against a field of rivals suddenly struggling to keep pace. (Today)

"I think the first day in August was so beautiful. They came in their uniforms. You could see the expectations that things were going to be different. We're really going to focus on our learning," she said. But when the school opened ... (Today)

For about two hours a day, twice a day, five days a week, Cathy Gamble is the queen -- in neon green -- of 44th and Butler streets. The longtime crossing guard greets pedestrians by name and blows kisses from her stark white gloves to the drivers who stop in her wake at this bustling intersection, where she estimates she crosses 300 schoolchildren and countless more adults each day. (Today)

The railroad industry is picking up steam again, after losing ground decades ago to the nation's trucking industry. And Pittsburgh's expertise and history in the business -- Andrew Carnegie and the city's other industrialists needed good ways to move their steel a century ago -- has put the region on track to benefit from rail's resurgence. (Today)