Get Involved at http://www.Liberty.com - What is the "Greatest Threat to America"? - Dennis Prager Q & A At University of Denver. To see what Dennis means when he says The American Trinity", go to http://www.prageru.com/ and click on "The American Trinity" for a 5 minute video explanation by Dennis. Also, there is another 37 minute speech by Dennis Prager about America's exceptionalism and uniqueness athttp://www.idezignmedia.com/constitut... near the bottom of the page.