Barrie Dunsmore: The fall of Da Nang

Editor’s note: This commentary by retired ABC News diplomatic correspondent Barrie Dunsmore first appeared in the Barre-Montpelier Times Argus and Rutland Herald Sunday edition. All his columns can be found on his website, www.barriedunsmore.com.
To watch of Ken Burns’ entire 10-episode, 18-hour “The Vietnam War” is a profound experience. Having lived through the era, and having spent time there, I considered myself reasonably well acquainted with the subject. But it turn