File under: Obvious.Last week, the Kansas State University media relations department sent out a press release saying that a couple of psychology professors had taken a "look at some reasons behind the fascination with fireworks." We expected some deep insights into the human psyche. What we got instead: Holidays, weddings and birthdays are occasions that tend to bring out the most traditional side of people, said Richard Harris, K-State professor of psychology."This is particularly true if peop