From the LA Times:
Americans may be getting fatter, but economy seating on airlines is getting tighter. Legroom on airplanes is going the way of free checked bags, pillows and in-flight meals, travel reporter Hugo Martin writes. If you want more room, get ready to pay for it. Featured: Jan Brueckner, UCI economics professor and department chair.

Check out http://www.latimes.com/business/money/la-fi-mo-airline-seating-chat-2012... for the video.