Commentary Ten years ago, I wrote a column reflecting on my reactions to visiting Vietnam. Given the lack of revulsion to, and even flirtation with, communism (or its more mildly named version, socialism) among many young Americans, it is worth revisiting. It was difficult to control my emotions—specifically, my anger—during my visit to Vietnam. The more I came to admire the Vietnamese people—their intelligence, love of life, dignity, and hard work—the more rage I felt toward the communists who brought them (and, of course, us Americans) so much suffering in the second half of the 20th century. Unfortunately, communists still rule the country. Yet, Vietnam has embraced the only way that exists to escape poverty, let alone to produce prosperity: capitalism and the free market. So, then, what exactly did the 2 million Vietnamese who died in the Vietnam War die for? I would like to pose that question to …