LAUSANNE, Switzerland - Iran and six world powers ramped up the pace of negotiations ahead of a deadline for a preliminary nuclear deal that was less than 24 hours away, as both sides warned it was crucial to overcome differences that could wreck an agreement. Full Article
TOKYO - Asian stocks rose across the board on Tuesday after a rally on Wall Street and steps by China to shore up its economy boosted risk appetite, while Greek debt worries again haunted the sagging euro. | Video
ABUJA - Nigerian opposition leader Muhammadu Buhari built a lead of 2 million votes with three-quarters of states counted, raising the prospect of a stunning ballot box victory for a man who first came to power three decades ago via a military coup. Full Article | Slideshow
Newly released video shows Andreas Lubitz, the Germanwings co-pilot suspected of deliberately crashing a plane in the French Alps, flying a glider. Rough Cut (no reporter narration).