Global Health
The main difficulty is to guess what would have happened had the MDGs not been set. During the 1990s the number of child deaths was already falling steeply, and it may be reasonable to assume that this would have continued.
[The Ebola outbreak] is not just an African problem. This is a global problem because people move, and you never know [if] you can have a spillover into neighboring countries or even to other continents. We need to act fast and we need to act globally with governments, the U.S., and multilateral organizations like the World Health Organization.