WASHINGTON, DC - SEPTEMBER 29:  Politico Editor Susan Glasser co-hosts a 'Lessons from Leaders' session at the offices of the program's lead sponsor Bank of America September 29, 2014 in Washington, DC. During the program Bill Gates, founder of Microsoft and co-chair of the Bill and Melinda Gates Foundation, talked about how his foundation's work to erradicate polio in Nigeria has been helpful in starting to combat the Ebola epidemic in Liberia, Guinea and Sierra Leone, which is the largest outbreak ever recorded.  (Photo by Chip Somodevilla/Getty Images)