An al-Qaeda-linked group has freed an American journalist who had been held hostage in Syria for two years. His release is renewing questions about militant groups in Syria and how the US should deal with them. Sally Kidd reports from Washington.
Tired of bumping into people glued to their phones? One Chinese city thinks it has the answer: It has divided a sidewalk on one of its busiest streets into two lanes -- one for cellphone users and the other for those without.