Matthew Herbert is a Ph.D. candidate in International Security Studies at The Fletcher School. The panel discussion that followed can be viewed here: http://www.youtube.com/watch?v=exC_0q1GjiA. These videos are excerpts from KILLING CASH: Pros and Cons of Mobile Money for the World's Poor -- A Look at Both Sides of the Coin, a conference which took place at The Fletcher School on April 22, 2011.