Winter weather and severe storms slam parts of U.S., killing at least 10 people

At least 10 people died, nine of them in Kentucky, in severe storms and winter weather that slammed the country over the weekend. Meanwhile, more than 20,000 flights were either delayed or canceled on Sunday. CBS News' Nicole Valdes has the latest.

Winter weather and severe storms slam parts of U.S., killing at least 10 people
At least 10 people died, nine of them in Kentucky, in severe storms and winter weather that slammed the country over the weekend. Meanwhile, more than 20,000 flights were either delayed or canceled on Sunday. CBS News' Nicole Valdes has the latest.