If we begin to think of ourselves as Bengalis, Punjabis and Sindhis first, and Moslems and Pakistanis only incidentally, then Pakistan is bound to disintegrate.
Mohammed Ali Jinnah, 1948
The blood was still flowing from the murderous communal clashes that followed the 1947 partition of the Indian subcontinent when Pakistan's founder gave voice to that fear. Last week blood flowed again as the world's fifth most populous nation (130 million), divided between a wheat-growing West with tall, light-skinned people and a rice-growing East with short dark-skinned people, moved ominously toward a breakupor...