City council member Wesley Bell looks back on the past year since protests and violence swept the Missouri city.
The uprisings across parts of the Arab world have been called the Facebook revolution with citizens using social media and cell phones to organize.
But they aren’t the only ones taking advantage of this technology. An investigation by Bloomberg News found that countries like Bahrain, Egypt, Syria and Yemen have bought surveillance systems from Western companies that can track what people say and do online or on their cell phones. These countries allegedly use that information to capture, and sometimes even torture, dissidents.
Experts share a range of perspectives on how to combat the Islamic State militant group, and the role the U.S. should play.