Former Secretary of State Madeleine Albright was back at Wellesley College — her alma mater — as part of a panel focused on global economic policies. Albright, who graduated from Wellesley in 1959, was joined by Christine Lagarde, managing director of the International Monetary Fund, Sri Mulyani Indrawati, managing director of the World Bank, and Mark Malloch Brown, former United Nations deputy secretary general and chief of staff.