National Security

Putting the five men accused of plotting the attacks on trial is a long process. On Tuesday, at Guantanamo Bay, Cuba, another round of seemingly endless pre-trial war court hearings gets underway.

For months, the San Bernardino, Calif., and Paris attacks have been reported together. Analysts say the two could not be more different, and ISIS' actions since those attacks has made that clear.

More companies are offering employees training to deal with shooting threats at work. But it presents a dilemma: "How do you create awareness, without creating paranoia?" one expert says.

At a meeting in Munich Thursday, Secretary of State John Kerry and his Russian counterpart, Sergey Lavrov, agreed they would try to implement a cease-fire and allow humanitarian aid into Syria.

As the U.S. blames Russia for undermining attempts to end the Syrian civil war, Secretary of State John Kerry meets his Russian counterpart in Munich on Thursday. It's looking like a key moment in the effort to deal with the war.

Defense Secretary Ash Carter is convening his counterparts from more than two dozen anti-ISIS coalition partners in Brussels on Thursday. Carter aims to goad them into stepping up their contributions to the war on ISIS. But the meeting coincides with what Sunni Arab partners consider a far greater threat in Syria: a Russian-Iranian-Assad offensive on the verge of recapturing Aleppo from rebels.

Humans rely on dogs to search for bombs. But the increasingly common Improvised Explosive Devices can be made with ordinary ingredients — and it is posing a new challenge for bomb-sniffing dogs.

The GOP presidential hopefuls are trading attacks on the use of water boarding and other such harsh interrogation techniques. Donald Trump vows he would revive those techniques as president and has attacked Sen. Ted Cruz for opposing that idea. Many critics and studies, however, conclude that harsh techniques do not work.