Your daily look at late-breaking news, upcoming events and the stories that will be talked about Tuesday:
1. WHY TIME IS SHORT IN MISSING PLANE HUNT
More than two weeks after Malaysia Airlines Flight 370 disappeared, searchers are racing to locate the jet's black boxes before the battery-powered ping they emit fades.
2. 'YOU JUST KIND OF GO IN SHOCK'
That's how volunteer searcher Cory Kuntz describes the Washington state mudslide that claimed the lives of at least 14 people and left some 100 others unaccounted for amid piles of debris.
3. MOSCOW MAKES NEW DEMAND OF UKRAINE
Russia's foreign minister pushes for constitutional changes that would give more autonomy to Ukraine's regions.
4. HOW CHICAGO TRAIN DERAILMENT MAY HAVE HAPPENED
The operator of the train that jumped the tracks and scaled an escalator at one of nation's busiest airports could have dozed off, the transit union says.
5. MORE THAN 500 FACE DEATH AFTER EGYPT MASS TRIAL
The suspected Morsi backers, accused in a deadly police station attack, represent the biggest batch of death sentences in the world in years, Amnesty International says.
6. WHO FEARED OLYMPIC SPRINTER BEFORE SLAYING
In the weeks before Oscar Pistorius fatally shot her, Reeva Steenkamp texted him to say: "I'm scared of u sometimes."
7. INDIANA DROPS COMMON CORE STANDARDS
It's the first state to withdraw from the education program that sets the bar for what students should be learning in math and reading in each grade.
8. GIRL SCOUT COOKIE RECORD CRUMBLES
Sixth-grader Katie Francis of Oklahoma City has sold 18,107 boxes this season, besting the previous mark of 18,000 boxes.
9. JIMMY FALLON SETS LATE-NIGHT PACE
The new "Tonight" show host has consistently topped 4.1 million viewers, well ahead of competitors Jimmy Kimmel and David Letterman.
10. BLUEGRASS BRACKET BATTLE
Kentucky and Louisville, two of college basketball's fiercest rivals, will meet Friday in the Sweet 16.