voyage of discovery. Sasha is skeptical of the value of ex ante guidelines to clarify how
complementarity might inform the admissibility of cases. He argues that guidelines are not useful. He needs to make a stronger case here. I have argued elsewhere, in a point that Sasha discusses, that a light touch to
complementarity (as articulated through a qualified deference standard), would better serve overall justice interests. In any event, developing guidelines, even simply to frame a conversation, would promote transparency, dialogue, and some predictability. Each of these elements is...