Original exchange between Muho and Brian can be read here:
Letter to a friend about Zen practice, family life, Japanese Buddhism and the war about Zen at war

New articles by Brian on the topic:
Zen Masters on the Battlefield (Part I)
The “Non-Self” as a Killer

Other articles by Muho on the topic of being a Buddhist monk and having a family, and the precepts:
Married monks?
The diameter of attachment
My idea of adult practice
A broken precept

Dogen’s “Shoji”:
Life and death