Fox News - When Luu Dinh Trieu was drafted into the South Vietnamese army, he literally went to war against his father.
The wound also still festers among many Vietnamese who fled to America and remain staunchly opposed to Hanoi's communist government.
"The younger generations of Vietnamese-Americans are growing up steeped in this," said Steve Maxner, director of the Vietnam Center at Texas Tech University. "Both sides seem to be still entrenched in 1975. It hasn't gone away."