President Barack Obama landed in Johannesburg on the second stop of his week-long tour of Africa. Meanwhile, former South African President Nelson Mandela remains hospitalized. Margaret Warner reports on the state of affairs in South Africa as the American president…

President Obama talked up military progress against the Taliban Friday during a surprise visit with troops in Afghanistan. Amid strains in the relationship between their two governments, he phoned Afghan leader Hamid Karzai after weather canceled a face-to-face meeting. Judy…

President Obama's endorsement of India's demand for a permanent seat on the U.N. Security Council reflects the country's growing global weight. Ray Suarez gets two views on the president's trip and U.S.-Indian relations from Deepa Ollapally of George Washington University…

President Obama began a 10-day trip to Asia Friday. Margaret Warner gives a preview of his itinerary and goals for this trip with two officials from past administrations, Douglas Paal and Wendy Sherman.