IT is easy to start a war, but oh, the difficulty of stopping one. This old saying could not be truer in the case of Aceh. Nearly four decades ago, over nothing more than a trifle, Hasan Tiro and dozens of his followers retreated into the jungle and took up arms. But the governments reaction in trying to suppress them militarily turned Aceh into a war zone for three decades and left hundreds dead, tens of thousands injured, and forced hundreds of