WATCH: Looming ice storm could be among worst on record

Millions of Americans from New Mexico to the Carolinas are bracing for a potentially catastrophic ice storm, while parts of the Northeast could see enough snow to make travel nearly impossible.

​Millions of Americans from New Mexico to the Carolinas are bracing for a potentially catastrophic ice storm, while parts of the Northeast could see enough snow to make travel nearly impossible.  US Millions of Americans from New Mexico to the Carolinas are bracing for a potentially catastrophic ice storm, while parts of the Northeast could see enough snow to make travel nearly impossible.