Your daily look at late-breaking news, upcoming events and stories that will be talked about today:

1. THE RISKS OF AN AFGHANISTAN TROOP WITHDRAWAL

Analysts warn that pulling back too much could slow the Afghan army's development, while keeping too many would prolong its dependence on the U.S. AFGHAN TROOP WITHDRAWALS

2. HOW A SERIAL KILLER'S BLOOD COULD CRACK COLD CASES

The AP's Don Babwin reports Illinois police are creating DNA profiles of executed serial killer John Wayne Gacy and others to see if the killers had more victims. GACY'S BLOOD

3. JAPAN'S AGING TUNNELS

The country orders new inspections after nine people are killed in the collapse of a 1970s-era tunnel. JAPAN-TUNNEL COLLAPSE

4. WHERE THE SCHOOL YEAR IS GETTING LONGER

Colorado, Connecticut, Massachusetts, New York and Tennessee are adding at least 300 hours to the calendar. CLASSROOM TIME

5. TRACING A KILLER'S CONFESSION

Israel Keyes implicates himself in as many as eight killings in four states before killing himself in jail. BARISTA SLAYING-SUICIDE

6. FOLLOW THE POPE (at)PONTIFEX

The Vatican announces the pontiff will begin Tweeting from a new personal handle. VATICAN-POPE TWEETS

7. A NEW STAB AT AVOIDING WASHINGTON'S 'FISCAL CLIFF'

Pelosi says she will try to force a House vote on a Senate-passed bill favored by Democrats to break the deadlock. FISCAL CLIFF

8. KC CHIEF AND SLAIN GIRLFRIEND SEEMED 'FINE' BEFORE MURDER-SUICIDE

A friend says linebacker Jovan Belcher and Kasandra M. Perkins had argued about "normal couple stuff." CHIEFS-PLAYER SHOOTING

9. WHAT 'STUPID HUMAN TRICKS' CAN GET YOU

David Letterman receives Kennedy Center honors, along with rockers Led Zeppelin, actor Dustin Hoffman, bluesman Buddy Guy and ballerina Natalia Makarova. KENNEDY CENTER HONORS

10. A MAGIC ACT GOES UP IN FLAMES

Magician Wayne Houchin recuperates after a Dominican Republic TV host set his hair on fire with cologne. DOMINICAN-US MAGICIAN BURNED