"The race to the bottom in wages and employee benefits may not be any smarter than it is humane. Respected University of Pennsylvania labor-management professor Peter Cappelli made that point in analyzing U.S. airlines on PBS's 'NewsHour With Jim Lehrer': 'Southwest Airlines, which is seen as the low-cost carrier, now has the highest-paid pilots in the industry. Delta, which is the carrier probably in the most trouble, is largely non-union. US Airways ... has the lowest cost[.]'