Two Middle Eastern mothers are sitting in a cafe chatting over a plate of tabouli and a pint of goat's milk. The older of the two pulls a small folder out of her handbag and starts flipping through photos. They start reminiscing. ''This is my oldest son, Mujibar. He would have been 24 years old now.'' ''Yes, I remember him as a baby.'' says the other mother cheerfully. "He's a martyr now though." the mother confides. "Oh, so sad dear,'' says the other. ''And this is my second son, Khalid. He would have been 21.'' ''Oh, I remember him,'' says the other happily, ''He had such curly hair whe