William Pesek is an award-winning Tokyo-based journalist and author of "Japanization: What the World Can Learn from Japan's Lost Decades."
It is fitting that last week's brawl between India and China, leaving 20 Indian soldiers dead and an unknown number of Chinese, was on the roof of the world -- high in the Himalayas where they share a border on the Tibetan plateau. Fitting because it is the height of geopolitical folly for the pair to clash, imperiling two economies that should be joining forces instead.