> Not that I am an authority on the history of the condiment that dare not
> speak its name, but I'm pretty sure eating enemies was common in New Guinea
> until pretty recently.
>
It still is, specifically alleged witches.
http://www.bbc.co.uk/tribe/tribes/kombai http://www.smithsonianmag.com/travel/cannibals.html
I seem to remember Daniel Quinn favorably comparing the merits of this mode of social organization with those of agricultural civilization, but cannot remember in which of his books.
-- "Hige sceal þe heardra, heorte þe cenre, mod sceal þe mare, þe ure mægen lytlað."