Mark Okoth Obama Ndesandjo, the half-brother of American president Barack Obama makes a speech at the University of International Business and Economics (UIBE) in Beijing, June 11, 2012. During the question-and-answer session, Mark said his brother was good at planning, but he was much better at music as a professional pianist. [Photo/Asianewsphoto] 

Mark writes calligraphy during his first lecture at a Chinese university held at the UIBE in Beijing, June 11, 2012. [Photo/Asianewsphoto]