The focus of the song is not on the wider politics of the war, but on the kind of familial suffering to which Cash could relate.
(Post has been updated to correct the familial ties of Dr. Rafiq Zakaria).
Both revolve largely around the familial, romantic, and professional concerns of the two men, but the similarities end there.
familial fa·mil·ial (fə-mĭl'yəl)
Occurring or tending to occur among family members, usually by heredity.