US intelligence officials still know relatively little about the workings of Islamic State militants. James Foley may have been traded by insurgent groups before ending up in IS hands, which complicates the intelligence picture.
The case against Officer Darren Wilson isn't likely to be the slam dunk that protesters in Ferguson, Mo., expect. There are significant issues in this case at the state level, and a federal civil rights case would be even more complicated.
Twitter’s influence as a platform for sharing political stories is on the rise. Just compare coverage of the Michael Brown shooting to that of Trayvon Martin’s two years earlier. What's not clear is how this coverage is affecting attitudes toward US politics.
President Obama hasn't won big praise – but also apparently hasn't polarized the public deeply – with his handling of the turmoil in Ferguson, Mo., after a black teen was killed by a white police officer.
Islamic State militants had demanded millions of dollars for James Foley's release. While the US government refuses to pay ransoms to kidnappers, some European governments have done so in the past, enriching Al Qaeda and its affiliates.
The Islamic State member who was shown beheading US journalist James Foley in a video spoke with a British accent. Foley went missing in Syria in 2012.
India said Pakistan was meddling in its internal affairs, but previous meetings haven't triggered diplomatic rows. Both countries claim sovereignty over Kashmir.
Raymond Burse is forfeiting a chunk of his salary at Kentucky State University to improve pay for the lowest-paid workers.
Bob Keesee kept tinkering until he got his homemade rain-catching systems right. Now they collect precious water for Haiti's rural poor.
Ice bucket challenges and similar social media-powered stunts are raising awareness and money for charitable causes.