There has been lots of coverage of our open letter so far. Here are a few articles / posts I have seen.
Canada.com: Economists seek independence for parliamentary budget officer.
David Akin: Free Kevin!
Kady O'Malley: 134 (and counting) economists agree.
Worthwhile Canadian Initiative: An open letter in support of the OPBO.
Inkless Wells: That wasn't so hard
Kelly McParland: The Economists are Revolting!