Grover Norquist, Washington Times
Will Marshall & Paul Weinstein, RCPolicy
Joel Zinberg, City Journal
Natalie Scholl & Brad Wilcox, AEIdeas
Katty Kay & Claire Shipman, Atlantic
Richard Florida, Atlantic Cities
Joel Kotkin, New Geography
Neema Singh Guliani, ACLU
Intergovernmental Panel on Climate Change
Congressional Budget Office
Gregory Barnes, Digital Media Association
Committee for a Responsible Federal Budget
David B. Kopel, Harvard Law Review
Akers & Chingos, Brookings