If you want to follow the debate sparked by recent writings from the WPF research collaborators on How Mass Atrocities End, Alex de Waal, Jens Meierhenrich and Bridget Conley-Zilkic, in the Fletcher Forum and New York Times/International Herald Tribune, look no further. “If it is not a norm, does it not threaten to serve as mere amplification of ethical rhetoric that obscures the real policy debates that are, in any case, conducted elsewhere with different vocabularies?”