Warren Buffett's Gift to the Gates Foundation: Money that can make a difference

The Center for Global Development's Ruth Levine blogs: "The Foundation will have the none-too-easy task of finding the right uses for an additional $1.5 billion of grants each year, doubling their current outflow. For those in the development world who have scrambled to keep up with the Gates Foundation's influence -- first on global health and soon on international agriculture and financial...