Some experts blame smaller airline seats and crowded cabins.
Also, the are fewer flight attendants, smoking is no longer allowed and the fact that alcohol is freely available. U.S. Airways flight attendant Renee Sheffer was left bloodied, battered and bruised by an unruly passenger who threw her across several seats. Even celebrity fliers are accused of erupting in fits of rage. Last year, the Reverend Robert Schuller allegedly struck a flight attendant during a dispute over where to hang his robe. The violence at 30,000 feet is so serious, flight attendants and other airline officials have testified before Congress.