NBC Nightly News Full Episode - Nov. 25

♪♪ >>> TONIGHT THE RECORD-BREAKING TRAVEL CRUNCH AS SEVERE WEATHER BEGINS ITS MARCH UP THE EAST COAST CAUSING WIDESPREAD DELAYS ON ONE THE BUSIEST TRAVEL DAYS OF THE YEAR. SEVERE STORMS TEARING ROOFS OFF BUILDINGS IN ALABAMA AS A TORNADO THREAT FORCES AIR TRAFFIC CONTROLLERS TO FLEE ATLANTA'S TOWER. PLUS, AN OIL PIPELINE THAT FEEDS ONE MAJOR AIRPORT BREAKING, CAUSING FLIGHTS TO DIVERT JUST TO REFUEL.AND THE WEATHER'S NOT OVER YET. AL ROKER TRACKING THE SNOW IN THE MIDWEST AND THE RAIN AND WINDS POUNDING THE ...