jon: there it is a new report on the airline industry that shows more planes are arriving late but fewer people seem to care. consumer complaints fell by 15% last year while the number of lost bags and delayed flights actually rose. the survey gathered data from several airlines, including on-time performance, how many flights were cancelled and how many were overbooked t. gives top marks to virgin airlines. coming in last was regional carrier, american eagle. patti ann: new research on spite. it's a complicated human emotion usually seen as a petty desire to hurt others. now researchers are taking another look and they found that spite could be a good thing and maybe even necessary for maintaining order. chuck williams is a psychologist at drexel university.