World -

Man who decapitated his employer denies having terrorist motivations, but he sent snapshots of severed head to Syria, official says
Families of former U.S. Marine Amir Hekmati and Washington Post reporter Jason Rezaian have made personal pleas
Greece is drowning in more than $250 billion of official debt, and is unable to pay interest on its loans.
As top diplomats rejoin talks, American families lobbying for their loved ones' release feel sidelined
At least 37 confirmed dead as a large aircraft smashes into the city of Medan for the second time in a decade
Japanese media say man and a 2nd person dead, others injured primarily from smoke that filled train car
Tehran's negotiators have shown signs of backtracking and several more days of discussions may be needed
Since the declaration of Islamic Caliphate in June of 2014, ISIS expanded to become one of the most feared terror groups in the world. CBS News takes a look into at the critical developments of ISIS in the past year.
Key political issues regarding climate change are still on the table with only 10 negotiating days left
Video captured Seifeddine Rezgui strolling across a Tunis beach moments before killing dozens of people. CBS News correspondent Charlie D'agata reports.