Iran and six world powers were close to an historic nuclear agreement on Thursday that could resolve a more than 12-year dispute over Tehran's nuclear ambitions, but they remained deadlocked on the issue of Iranian arms and missile trade.
U.S. President Barack Obama and the head of Vietnam's ruling communist party discussed concerns over China's activities in the South China Sea during a historic White House meeting on Tuesday marking two decades of engagement between the former foes.
Pope Francis on Tuesday appealed to the world not to turn its back on the "reality" of environmental decay and its effects on the poor, saying protecting the planet was no longer a choice but a duty.
The U.S. State Department raised concern on Tuesday about the detentions of some 100 peaceful activists in Cuba this week but said it would not slow the restoration of diplomatic relations between Washington and Havana.
