Since 1776, when the loose federation that would become the United States first flexed its philosophical muscles, people have been delivering speeches on July 4. Speakers have wrung every possible meaning out of that auspicious date. Life, liberty, the pursuit of happiness, firecrackers, Old Glory, the price of freedom, divine inspiration, the honored dead, mom, apple pie and the girl back home are just a few topics that have become familiar themes (the final three being especially meaningful to veterans).