First aid officers carry an injured woman at the site of an armed attack on Sunday in Istanbul. At least 39 people were killed in an armed attack Saturday on an Istanbul nightclub where people were celebrating the new year. Ihlas News Agency/AFP/Getty Images hide caption
National Security
Saturday
Trump Might Learn From Saddam Hussein's Skipping Of Intelligence Briefings
President Obama and Russian President Vladimir Putin pose for the media before a bilateral meeting at United Nations headquarters on Sept. 28, 2015. Andrew Harnik/AP hide caption
Thanks To Russia, 2016 Isn't Really Going To End For Obama And Trump
Friday
The purchase of the Winooski 1 hydroelectric plant in Winooski, Vt., by the Burlington Electric Department enabled it to reach 100 percent renewable power. Russian malware associated with the "Grizzly Steppe" operation was found on one company laptop, but it was not connected to Burlington Electric's grid. Wilson Ring/AP hide caption
A fence surrounds an estate in the village of Upper Brookville in the town of Oyster Bay, N.Y., on Long Island. On Friday, the Obama administration closed this compound for Russian diplomats, in retaliation for spying and cyber-meddling in the U.S. presidential election. Alexander F. Yuan/AP hide caption
Russian President Vladimir Putin delivers his annual speech to the Federal Assembly at Grand Kremlin Palace in Moscow in early December. Mikhail Svetlov/Getty Images hide caption
U.S. Cyberwarfare: Its Powerful Tools, Its Unseen Tactics
Monday
Cybersecurity presents an early challenge for the incoming president, Donald Trump. Jabin Botsford/The Washington Post/Getty Images hide caption
Experts Hope Trump Makes Cybersecurity An Early Priority
Friday
Sgt. Nathaniel Rivet will deploy for his third time after a visit home for the holidays. Jay Price/WUNC hide caption
In Preparation For The Holidays, Some Troops Start Packing For Deployment
American Homefront Project
In Preparation For The Holidays, Some Troops Start Packing For Deployment
A Marine Fighter Attack Squadron 121 F-35B Lightning II prepares to make a vertical landing in Yuma, Ariz., in 2013. President-elect Donald Trump asked Boeing to price a version of one of its fighter jets to be competitive with Lockheed Martin's F-35 aircraft. Cpl. Ken Kalemkarian/U.S. Marines hide caption
CIA Director John Brennan at CIA Headquarters on Thursday. Ariel Zambelich/NPR hide caption
CIA Chief Brennan Weighs In On Russian Hacking, Retaliation And Donald Trump
Thursday
CIA Director John Brennan at CIA headquarters on Thursday. Ariel Zambelich/NPR hide caption
Wednesday
The Christmas market in Berlin was targeted in Monday's attack by a man driving a heavy truck into an area crowded with shoppers. Sean Gallup/Getty Images hide caption
A 2010 photo shows the interior of the lethal injection facility at San Quentin State Prison in San Quentin, Calif. Eric Risberg/AP hide caption