Deadly twisters shred homes across Dallas area

Violent storms stretching from New Mexico to Kentucky are pounding states with a deadly combination of weather. More than 40 people have died. Several tornadoes tore apart communities. Other areas are seeing whiteout blizzard conditions. There is also widespread flooding with rain-swollen rivers going over their banks. David Begnaud reports from Rowlett, Texas, one of the hard-hit areas. Source