Senior Fellow Krista Kafer joins Pam Benigno to discuss a Colorado Department of Education study titled A Typology of Colorado Charter Schools 2009 http://www.cde.state.co.us/cdechart/download/typologyreport_012709.pdf and the updated version of an Independence Institute paper titled A Chronology of School Choice in the U.S. https://i2i.org/files/pdf/IP_3_2007_revised_April_2009.pdf