Closing argument is the most pivotal moment in a criminal trial. It represents the last opportunity for prosecutors to convince jurors of the defendant\u27s guilt and for defense lawyers to show reasonable doubt. As a result, criminal lawyers may be tempted to conclude with sweeping arguments that pull at the heartstrings of their target audience, the jury. Scholars dating back to Aristotle have warned that the most persuasive arguments often contain an appeal to emotion-and that emotionally laden rhetoric can distract people from making rational choices. Legal ethicists have struggled with the issues surrounding closing arguments, trying to reconcile the need to stamp out overly emotional appeals with the desire to empower advocates to sum...