Soldiers from Niger patrol the road between Agadez and Arlit in September. Issouf Sanogo/Getty Images hide caption
National Security
Friday
Thursday
Wednesday
Audie Cornish and Tom Gjelten discuss "cyber war"
Tuesday
Bundled up against the cold, military police trainees exercise early in the morning at Fort Leonard Wood, Mo. In a radical shift, the Army is overhauling the way it trains, cares for and feeds new soldiers. Kelley McCall/AP hide caption
Monday
WikiLeaks founder Julian Assange during an interview with ABC News. ABCNews.go.com hide caption
Thursday
Wednesday
Deputy National Security Adviser John Brennan, pictured at an October news conference, says the government has taken a number of steps to correct past security mistakes. Charles Dharapak/AP hide caption
Tuesday
Swedish police officers patrol a street in central Stockholm, near where a suicide bomber killed himself two days earlier, on Dec. 11. Jonathan Nackstrand/AFP/Getty Images hide caption