With tinted windows and their militia name emblazoned on the side of their Ford truck, "Pan Say" fighters cruise the sleazy streets of Muse, Myanmar's main gateway to China and awash with weapons and cash from casinos, drugs and sex.10 armed groups run the Shan State border town of Muse, which is separated by a shallow river from the gleaming towers of its Chinese counterpart, Ruili.All are under the tutelage of the same patron: Myanmar's army.China and Myanmar have an agr