Storm Threatens NFL Game, Grounds US Holiday Travel

A major winter storm is disrupting the United States on the eve of a holiday weekend. The system has already caused hundreds of flight cancellations and delays at major airports. The storm now threatens a high-profile National Football League game. The Saturday matchup between the Pittsburgh Steelers and Baltimore Ravens may be postponed due to dangerous conditions. Meanwhile, tens of millions of Americans are beginning their year-end travel. Weather officials warn of heavy snow, strong winds, and coastal flooding across the Midwest and Northeast through Sunday. Travelers are urged to check their flight status and road conditions.