Your daily look at late-breaking news, upcoming events and stories that will be talked about Tuesday:
1. WHO'S KEEPING TABS ON SANTA
Hundreds of volunteers at "NORAD Tracks Santa" receive tens of thousands of calls from kids curious about St. Nick's progress on Christmas Eve.
2. POPE: MAKE ROOM FOR CHRIST
Benedict XVI marks Christmas Eve with Mass in St. Peter's Basilica, asking: Will people find room in their hectic, technology-driven lives for children, the poor and God?
3. 'IT DOES APPEAR IT WAS A TRAP'
An ex-con guns down two firefighters after luring them to his central New York neighborhood by setting a car and a house ablaze.
4. CHILD DEATHS BY GUNS
Between 2006 and 2010, 561 children age 12 and under were killed by firearms, according to the FBI.
5. AFGHAN POLICEWOMAN KILLS US ADVISER
It is the first such shooting by a woman in a spate of insider attacks by Afghans against their foreign allies.
6. WHAT OBAMA FACES WHEN HE RETURNS FROM HAWAII
Big issues awaiting the president include more 'fiscal cliff' wrangling, immigration and gun control.
7. 'THE ODD COUPLE'S' BELOVED OSCAR DIES AT 90
Jack Klugman played the gruff, down-to-earth type of guy you could imagine running into at a bar or riding on a subway.
8. FOOD PANTRIES 101
Growing numbers of food banks on university campuses may be a response to a weak economy and a sign of the latest trend in student activism.
9. HOW GUN RIGHTS ADVOCATES FEEL ABOUT TV HOST
Thousands sign a petition seeking British CNN host Piers Morgan's deportation from the U.S. over his gun control views.
10. WHERE HOPES FOR A TRUCE SEEM DOUBTFUL
After talks with President Assad, the international envoy to Syria offers no indication of progress toward ending the civil war.