When a nation is gearing up for war, the words its leaders use areimportant -- and follow a predictable pattern, according to politicalscience Professor Francis Beer of the University of Colorado at Â鶹ӰԺ. Beer, who specializes in the study of war and peace, has carefullyexamined politicians' use of words in conflicts of the 20th century. The Sept. 11 attacks, for example, were most often compared withPearl Harbor, and the U.S. response generally has been referred to as the"War on Terrorism."