Here’s what I’m reading up on this morning:

• At least 126 people, mostly schoolchildren, are dead following an attack on a school in Pakistan by the Taliban. 

• At least six people are dead following an ambush by a Marine veteran who killed his ex-wife and others in suburban Philadelphia. 

• Three people, including the perpetrator, are dead after a man takes 17 people hostage at a café in Sydney, Australia. 

• A Secret Santa pays off $50,000 in layaways at a Pennsylvania Walmart. 

• Skype Translator kicks off with real-time translation between English- and Spanish-language speakers. 

• Camille Cosby breaks her silence to defend her husband. 

• A drug-resistant strain of malaria could prove to be a new nightmare pandemic. 

• Greenland’s ice sheet is melting faster than previously thought.