Winter storm slams southwest U.S.

A major winter storm is hammering the southwestern U.S., with tens of millions of people feeling the impact. Warnings or advisories are in effect for nearly all of Arizona and parts of Utah, New Mexico, Nevada, and Southern California. Northern Arizona is expected to get hit the hardest. Carter Evans reports. Watch “CBS This Morning“ HERE: Download the CBS News app on iOS HERE: Download the CBS News app on Android HERE: Like “CBS This M