Possible candidates to succeed Dominique Strauss-Kahn as managing director of the International Monetary Fund include, from left, Christine Lagarde of France, Tharman Shanmugaratnam of Singapore, Arminio Fraga Neto of Brazil, and Montek Singh Ahluwalia of India.Credit...From left, Mehdi Fedouach/Agence France-Presse -- Getty Images; Mike Theiler/European Pressphoto Agency; Mark Lennihan/Associated