PRI’s The World: Latest Edition 04/20/2012

For the Geo Quiz, we are looking for the name of a small town in North Carolina where some of the world's most passionate whistlers have come to take part in an International Whistlers Convention.

A street festival featuring giant marionettes is taking place this weekend in Liverpool, England. Lisa Mullins talks with Liverpool City Council's Judith Feather about the spectacle.

Mali's new Prime Minister Cheick Modibo Diarra served as an "interplanetary navigator" at NASA.

Anchor Lisa Mullins talks to Andrew Natsios of Georgetown University, who is advocating military intervention by the United States to protect the South.

Employee unions have been under attack in recent years. There’s a lesser publicized union fight brewing in Las Vegas. Most casino workers on the Las Vegas strip are part of a union. And many of those jobs are staffed by first-generation Americans. Now, some non-union casino workers, many of whom are immigrants, are saying they too want to be part of a union. But some say they’re being targeted for speaking out. The World's Jason Margolis has more.

Just a year ago, trade between Turkey and Syria was booming. Gaziantep in southern Turkey is known as one of the "Anatolian Tigers" for its dramatic economic growth, driven by industry and border trade. But the boomtown has been hit hard by the crisis next door. From Gaziantep, Matthew Brunwasser reports.

The UN Secretary General Ban Ki-Moon says Syria needs to fully cooperate with the preliminary accord which outlines the rules for the deployment of a UN observer mission to the country. But despite the truce agreed with the international envoy, Kofi Annan, attacks are on the rise.

Ala'a Shehabi, a writer and activist in Bahrain talks with Lisa Mullins about the stark contrast between the ongoing protests in Bahrain, and the excitement surrounding the Formula One race this weekend.

Practice runs are underway in Bahrain for the Formula One race despite on going pro-democracy protests across the nation. Syria's crisis takes an economic toll on neighbor Turkey as tourism and trade dwindle. And Giants take over England's port city of Liverpool.

Idan Raichel and Vieux Farka Touré are bestselling artists in their respective countries: Israel and Mali. A chance encounter at an airport in Germany led to a collaboration that is now out on CD titled "The Touré-Raichel Collective."