(ANALYSIS) As a specialist in medieval Christianity, I know that Catholic views on the morality of killing have evolved over time. And while Christianity eventually came to defend the idea of warfare for self-defense and the common good, it has also emphasized the value of forgiveness of enemies.
Read MoreJust before the shooting began at former President Donald Trump’s campaign rally in Butler, Pennsylvania, Becky Krivak’s husband, John, tapped her on the shoulder. Police snipers were aiming at the AGR International Inc. building, he told her.
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