Emergency workers tend to a JetBlue captain that had a "medical situation" during a Las Vegas-bound flight from JFK International airport, Tuesday, March 27, 2012, in Amarillo, Texas. (AP Photo/Steve Douglas)

Photo by: Steve Douglas

Emergency workers tend to a JetBlue captain that had a "medical situation" during a Las Vegas-bound flight from JFK International airport, Tuesday, March 27, 2012, in Amarillo, Texas. (AP Photo/Steve Douglas)