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A Facebook message, distributed during the 2010 United States congressional elections, influenced the voting behavior of millions of recipients and their friends. New research in the journal Nature highlights the potential of online social networks for shaping real-world behavior on a massive scale. Melissa Block talks to Shankar Vedantam.

Republicans are critical of President Obama's foreign policy with the rise of the Islamic State militant group and the Iran negotiations. But the GOP faces its own challenges related to world affairs.

There's a growing number of WiFi hotspots, but access for an hour can cost a couple days' salary. It's leading to a sharp divide between those who can and can't afford it.

Decades of industrialization have left the island reliant on imported food. But change is coming — from government subsidies for small farmers, to classes that teach school kids how to grow food.

Compared to the many war-ravaged parts of Syria, the capital Damascus is doing relatively well. But many families have taken in extra relatives and are feeling the psychological stress of too many people living under the same roof.

In the 19th and 20th centuries, nearly every coal mine in the U.K. had a brass band. They were intended to keep workers out of trouble, and were a matter of civic pride for local communities. Today, some say that without funding, the bands could become a thing of the past.

If you want to sell something to little girls right now, just put a princess on it. Disney princesses alone fuel a $4 billion industry, and Pixar's movie Brave is sure to give that a boost. But it isn't all singing birds and sunshine — some wonder if the princess trend is becoming too niche.

GOP presidential candidate Mitt Romney has developed a polished stump speech. During his events, Romney has campaigned as if President Obama is his only opponent. That tactic has forced his Republican rivals to try anything they can to knock him out of front-runner status.

The singer crafted a distinctive career that spanned decades and styles. Though a leading figure in her field, Norman's repertoire, fanbase and achievements stretched far beyond the opera house.

The White House released a rough transcript of a phone call Trump made to Ukraine's just-elected leader in April. It differs in key areas from how the White House described the call at the time.