Winter storms affect millions of Americans traveling for the holidays

A powerful winter storm is expected to impact millions of Americans as it dumps snow, ice, and rain across the country this weekend. Warnings were posted for almost 2,000 miles from Arizona to the Great Lakes as the storm rumbles east. More than 2,500 flights were delayed or canceled in the U.S on Friday, complicating holiday travel plans. Meteorologist Jeff Berardelli reports. Source