Blogger S. Azmat Hassan analyzes the recent policy talks between U.S. and Pakistani officials. He explains that, as is often the case between a superpower and a much weaker country, the relationship brightens up when the former needs the latter in some capacity. But, it reverts to the doldrums when that requirement subsides.

March 24 was World Tuberculosis Day, so Worldfocus decided to take a deeper look at a disease that has long been a deadly threat. Tonight's Worldfocus special edition includes a piece by Debra Daugherty about how one South African community has combated the disease. Read more about this public health campaign in Cape Town.

Worldfocus producer Megan Thompson recently completed a series on climate change and small island nations. This report from Tonga explore the origins of tapa, an ornate papery cloth made from pounded tree bark, and the ta’ovala, the traditional woven mat worn around the waist, which is also derived from local plants.

Long-distance running is not only Ethiopia’s national sport; it is a source of pride for Ethiopians all over the world. Worldfocus contributing blogger Tesfaye Negussie went to Ethiopia and interviewed Derartu Tulu, who won the New York City Marathon in 2009, about what it takes to be one of the best runners in the world.

Watch the full show from Wednesday, March 24. A special edition on immigration: A look at anti-Muslim sentiment in France; plans to build a new mosque draw a powerful response from the right in Germany; and, as Spanish unemployment rises, some immigrants are scorned.