Jennifer Rubin: Debate guidelines for a mob scene

NBC/MSNBC has announced its moderators for the back-to-back Democratic presidential debates on June 26-27: Savannah Guthrie, Lester Holt, Chuck Todd, Rachel Maddow and José Díaz-Balart. The announcement explained, "Holt will moderate the first hour, with Guthrie and Diaz-Balart appearing alongside him; Holt will also appear in the second hour, with Todd and Maddow moderating." In short, each night will have no fewer than 15 people: 10 candidates and five questioners. This is not a