Changes in Saudi Arabia's leadership have concentrated power in an inner circle of the Al Saud dynasty, removing constraints on the monarch and making the conservative kingdom's strategic positions less predictable.
Washington wants to be certain that any nuclear deal between Iran and major powers includes the possibility of restoring U.N. sanctions if Tehran breaks the agreement without risking Russian and Chinese vetoes, a senior U.S. official said on Tuesday.
The Germanwings co-pilot suspected of deliberately crashing a jet in the French Alps rehearsed the fatal maneuver on the morning of the disaster, and had twice been refused medical papers needed to fly, investigators said on Wednesday.
The British trader fighting extradition to the United States on charges of having contributed to the 2010 "flash crash" on Wall Street told a London court on Wednesday he had done nothing wrong and was just good at his job.
