Malaria is a disease of the developing world, but some Americans are being infected with malaria intentionally to help medical research. Reporter Eric Niiler profiles volunteers in a US Army study of an experimental malaria vaccine.
Russian president Dmitri Medvedev asserted himself this week by firing Moscow's powerful mayor. Now he faces another test ï¿½ what to do about Mikhail Khodorkovsky. Reporter Eric Niiler speaks with Khodorkovsky's lawyers.
A group of US senators charge that BP pressured the British government to release a Libyan man convicted in the 1988 Lockerbie bombing. They say the release was part of a deal to allow BP drilling rights. Eric Niiler reports from Washington.