BAGHDAD A bill in Iraq that would further formalize the role — and perhaps, the autonomy — of a powerful coalition of pro- Iran former paramilitaries has sparked a heated debate, fanned in part by U.S. pressure. Few details of the bill that could decide the future of the Hashed al-Shaabi alliance have been made public. Formed in 2014 when Iraqis were urged to take up arms against ISIL, the Hashed is a powerful force with major military and political clout. The bill aims at regulating and