As Alan Seeger perceived the landscape before him, everything was of a piece. Right and wrong were not ambiguous. Strife and tenderness had equal standing. All of it, good and bad, dark and light could only be seen and acted upon in the frame of a universe that was beautiful in its design and ultimately compassionate. Life was to be played out as it presented itself, justice was to be sought, and, in 1914, war was inevitable.He joined the French Foreign...