There were high expectations last July when South Sudan, the world’s newest country, gained independence. But tensions between rival ethnic groups have exploded in recent months and hundreds have died as a result. Chicagoan Kenneth Elisapana, who is originally from South Sudan, explains what's behind the recent violence. Also, protests recently erupted in Nigeria when the government announced cuts to fuel subsidies. DePaul University’s Clement Adibe says the move, while unpopular, was necessary to fight corruption in the oil economy. And, on Global Activism, Worldview talks with Katherine Darnstadt and Laura Bowe of Architecture for Humanity. The organization brings architects, designers, engineers and people in construction together to help provide solutions to communities in need.