By BRAD STONE
Viruses are rampaging through social networking sites, sending out humiliating messages to friends and followers.
By MICHAEL M. WEINSTEIN
The first American Nobel laureate in economics was the foremost academic economist of the 20th century.
By BETTINA WASSENER
Abu Dhabi pledged on Monday to provide $10 billion to Dubai, easing fears about an outright debt default by the smaller, struggling emirate.