It's a Christmas Eve tradition that has delighted parents and children across the U.S. for 70 years now: tracking Santa Claus as he circles the globe, with the help of the North American Aerospace Def...

While the rest of us are wrapping up work, Santa Claus is in the midst of his busiest day of the year, flying across the globe, distributing wrapped-up Christmas gifts to hundreds of million of kids.

The NORAD Tracks Santa website went live Dec. 1 and features Santa's North Pole Village, which includes a holiday countdown, games, holiday music and more.

While taking calls from children, the president told one that they track Santa to prevent a "bad Santa" from infiltrating the U.S.

It's Christmas Eve in Mar-a-Lago, and the first couple talked with children as part of NORAD's Santa calls.

On phone calls, he promised kids to not let a “bad Santa” infiltrate the country and even suggesting that a stocking full of coal may not be so bad.