Michael Barbaro and Michael D. Shear, “For Romney, a Message Lost in the Empty Seats,” The New York Times, February 24, 2012
http://www.nytimes.com/2012/02/25/us/politics/for-romney-a-message-lost-in-the-empty-seats.html
Theory and Practice
http://www.nytimes.com/2012/02/25/us/politics/for-romney-a-message-lost-in-the-empty-seats.html