Post-Thanksgiving cross-country winter storm could wreck travel as it brings the most widespread snow of the season

By CNN Meteorologist Mary Gilbert, CNN (CNN) — Holiday travelers in the United States avoiding widespread disruptive weather ahead of Thanksgiving might not be so fortunate during their post-holiday journeys. A new storm that will first impact the Pacific Northwest on Thanksgiving night is expected to morph into a full-blown, cross-country storm with the potential