An Assessment of Colorado's Charter Schools: Implications for Policy Share Close Share Why is Facebook not here? Why is Twitter not here? Share on LinkedIn Share on Google Plus Permalink Email Kenneth R. Howe and Samara S. Foster January 1, 2005 Publisher: EPIC Policy Brief Expand Download Print Share Share PDF: Why is Facebook not here? Why is Twitter not here? Share on LinkedIn Share on Google Plus Email Download or Print Permalink Copy Link Embed PDF: Copy Embed Code