Marc Siegel MD is a Fox News Medical Correspondent, a professor of medicine and medical director of Doctor Radio at NYU Langone Medical Center, and the author of The Inner Pulse.
In a letter to employees, AMR Chief Executive Gerard Arpey said the company indeed plans to upgrade its fleet, by taking delivery of 47 new Boeing (nyse: BA - news - people ) 737-800 planes to replace some of the old MD-80s and also by upgrading the existing fleets of 737-300s and 777's with more business-class interiors, particularly for its New York-to-Europe runs.