1. US TO IMPOSE SANCTIONS FOR CYBERESPIONAGE
Obama's get-tough tactics on China could include fines, penalties and other trade restrictions.
2. HOW 'UNIT 61398' OPERATES
The group believed to have orchestrated a massive U.S. hacking operation works out of a Shanghai office tower, recruits from universities and favors English-language skills.
3. HOW PISTORIUS SAYS HIS GIRLFRIEND WAS KILLED
The double-amputee Olympian testifies that he mistook the fashion model for an intruder on Valentine's Day.
4. GAS EXPLOSION TAKES OUT KANSAS CITY BLOCK
Cadaver dogs were searching through the rubble of a restaurant for bodies. More than a dozen people were injured.
5. GENERAL IN PETRAEUS SCANDAL RETIRES
Marine Gen. John Allen, who cited his wife's health, had appeared a shoo-in to be the next commander of allied forces in Europe.
6. GREECE GOES ON STRIKE
Unions planned a 24-hour walkout against austerity measures, while unemployment soars to nearly 30 percent in the financially troubled country.
7. WHAT COLLEGE RAISED $1 BILLION IN A YEAR
Stanford University set a new fundraising record, ranking first in an annual survey for the eighth straight year.
8. POLICE ID GUNMAN IN CALIF. SPREE THAT LEFT 4 DEAD
The shooter was an unemployed, 20-year-old part-time student who lived with his parents.
9. BRITAIN SLAMS NOVELIST FOR CALLING KATE A 'PLASTIC PRINCESS'
Prime Minister David Cameron blasted Hilary Mantel for a speech calling the 31-year-old wife of Prince William "a jointed doll on which certain rags were hung."
10. HOW FIFTH GRADERS CENTER THEMSELVES
The suburban Philadelphia students sit on brightly colored yoga balls, which teachers say let children naturally fidget without disrupting class.