An ultra-nationalist monk dubbed the "Buddhist Bin Laden" for his anti-Muslim vitriol said Wednesday he was not afraid of arrest as police pursued him on charges of stirring up unrest.Wirathu has long been the face of the country's hard-line Buddhist movement, notorious for espousing hate against Islam and particularly the long-persecuted Rohingya minority.A court issued an arrest warrant for the abbot late Tuesday under article 124(a), which targets anyone who "excites or