By Amanda Cotrim
Argentina and Chile are like Cain and Abel, two brother countries but with political and war conflicts in their recent histories.
Aside from the Chileans' well-known support of the British against the Argentines in the Falklands War in 1982, Argentina and Chile were on the verge of exploding a war years earlier.
On December 22, 1978, both armies almost came face to face on the Pauyehue border in a territorial dispute that needed the miraculous intervention of John Paul II in order not to end in tragedy.
Today the border, about three hours from Bariloche (Argentina . . .