There's little evidence that the death penalty deters murder. That leaves the questionable value of retribution — that erasing the monster who committed a heinous crime will bring comfort to the victims' loved ones.
Conservatives worry that behind the gentle facade lies a dangerous reformer who is diluting teachings on moral issues while focusing on social problems.
Vatican spokesman: "In no way was this a personal attack, nor an indication of how to vote."
Jeb's response to political flare-up: The Pope should stay out of this.
Francis: "We cannot deny the humanitarian crisis."
Pope Francis will also head to the northern border to address the plight of migrants trying to reach the United States.