Earlier this month, Senator Bob Dole once again appealed to the U.S. Senate to ratify the United Nations Convention on the Rights of Persons with Disabilities (CRPD). The treaty uses the Americans with Disabilities Act (ADA) as a model for the rights of disabled persons around the world. When it came up for a vote in 2012, the Senate rejected the treaty by six votes. Two years later, the treaty is a handful of votes shy of the 67 needed for ratification. On this week's KPR Presents, we hear from David Morrissey, Executive Director of the U.S. International Council on Disabilities. The Council is one of the groups spearheading the effort to ratify the treaty. He spoke on "The Evolution of Equality" at the Dole Institute of Politics at the University of Kansas on October 22nd, 2013.