Edward McCain is mentioned in American Libraries, E-content supplement to June 2015 issue.
http://edition.pagesuite-professional.co.uk/Launch.aspx?EID=571167d0-6eca-4989-a66f-2b2bf2c40c97
Article: "Empowering libraries to innovate"
Page 24 and 25 is a section entitled Journalism Digital News Archive.