1As oil continues to gush into the Gulf of Mexico, Carl Safina, the founding president of Blue Ocean Institute, an ocean conservation organisation, talks to Chris about what went wrong, who is to blame, and the impact of the catastrophe on marine life.
2Professor David Shambaugh of George Washington University is an authority on contemporary Chinese affairs and international politics and security in the Asia-Pacific region. He's the keynote speaker at the 2010 Otago Foreign Policy School which is focusing on the rise and future of China. Among the key questions to be tackled at the School is whether China will change the rules of the game in the global system, or will it become another great power using the traditional tools of money, force and diplomacy.