Anchor Lisa Mullins speaks with University of East Anglia professor Andrew Watson about his recent paper on the likelihood of finding intelligent life on another planet. His mathematical model says: not very likely.

Correspondent Jason Strother reports that South Korean president Lee Myung bak will be lobbying for passage of a bilateral free trade agreement during his upcoming visit to the United States. While the Bush administration supports the agreement, lawmakers in both countries still need to be convinced.

Anchor Lisa Mullins speaks with Los Angeles Times correspondent Borzou Daragahi about Iran's role in Iraq. Daragahi has been reporting on whether skirmishes on the Iran-Iraq border have become a "proxy war" between the United States and Iran.

The World's Matthew Bell reports on pledges by both Democratic candidates, Hillary Clinton and Barack Obama, to pull out of Iraq, even if US military commanders disagree.

Entire program - April 17, 2008

The World's Marco Werman introduces us to the French dance-music known as "Zouk." It fuses Caribbean party-pop, African guitar licks, and some American funk.

The answer to today's Geo Quiz - is the German city of Nuremberg. The BBC's Steve Rosenberg reports that the city is home to a new waiter-free, automated restaurant.

For today's Geo Quiz, we're looking for a German city that's split down the middle by the Pegnitz river.

Three European countries have legalized gay marriage. But not all European countries are heading in that direction. The World's Aaron Schachter reports that Romania is considering a measure that would outlaw same-sex marriage.

Anchor Lisa Mullins has the latest on the Olympic torch's journey. The torch arrived in Pakistan today, but you had to get an invitation to see the relay there.