On the Political Gabfest Slate Plus bonus segment, hosts Emily Bazelon and David Plotz celebrate John Dickerson’s successful run as the moderator of the second Democratic debate. But what did it take for Slate’s seasoned journalist to get ready? Did he follow a special diet of smoothies or partake in a late-night pizza session? When Dickerson had time for a mental health break, which activity did he choose—tennis, running, or rock climbing? And how did the breaking news of the Paris attacks turn the debate upside down?