His research paper : The State of Liberal Democracy in Africa - Resurgence or Recession was published in May 2010 .
In the last quarter of 2008 Leon was a Visiting Fellow at the Cato Institute Center for Liberty and Global Prosperity in Washington DC .
Leon 's research paper : The State of Liberal Democracy in Africa - Resurgence or Recession was published in May 2010 .
In the last quarter of 2008 Leon was a Visiting Fellow at the Cato Institute Center for Liberty and Global Prosperity in Washington DC .