she will be followed by peter norton, professor of history and the department of engineering and society at the university of virginia. he is the author of "fighting ." his article, "street rivals," published in "technology and culture," won the abbott payson usher prize. and he is a member of the university of virginia center for transportation studies and of the sustainable urban mobility project of technical university eindhoven, netherlands. each will speak for about 10 unit -- 10 minutes. afterward, i will open the floor for question and post some of my own. ms. bednarek: i want to give you a quick primer on the history of airports in the united states. for the most part, the major commercial airports in the united states are locally or publicly owned. city,owned by the a county, state, or public at 30. while airports are critical to a national and international air transportation system used by a majority of americans, there has long been a debate on their funding, construction, maintenance, and expansion. should it be local or federal, public or private? to give you context, the f