“Yet the hope of hitting on some definition which is at one and the same satisfactory and brief dies hard: much can be learned by seeing just how much elasticity is ultimately required of such portmanteau definitions” (Toulmin 18). In Forecasting and Understanding, Toulmin is speaking of science, but my thoughts while reading migrated to how Toulmin might size up convergence, the topic of much of my initial work in this program. This week’s reading series is focused on the ch