Ellen Johnson Sirleaf: Africa's First Female Head of State
![](https://media.wnyc.org/i/800/0/c/85/1/AP_060918143185.jpg)
In this Sept. 18, 2006 file photo, Liberian President Ellen Johnson Sirleaf, addresses the audience at the Kennedy School of Government at Harvard University.
( Josh Reynolds / Associated Press )
( Josh Reynolds / Associated Press )
Produced by Ellen Frankman