Mark Okoth Obama Ndesandjo, a half-brother of U.S. President Barack Obama, looks up during a news conference on the pre-launch of his first novel "Nairobi to Shenzhen" held by the American Chamber of Commerce in South China, in the southern Chinese city of Guangzhou November 4, 2009. Reuters Pictures logo Reuters Pictures 27 months ago

Mark Okoth Obama Ndesandjo, a half-brother of U.S. President Barack Obama, looks up during a news conference on the pre-launch of his first novel "Nairobi to Shenzhen" held by the American Chamber of Commerce in South China, in the southern Chinese city of Guangzhou November 4, 2009.