Milwaukee Journal Sentinel, February 28, 2014
The Badger Herald, February 15, 2014
Politico, January 13, 2014
Boston Globe, December 15, 2013
NorthJersey.com, November 30, 2013
The Post and Courier, November 20, 2013
The Wall Street Journal, November 20, 2013
NBC 3 Louisville Kentucky, November 6, 2013
Business Insider Australia, November 1, 2013
Texas Tribune, October 23, 2013