This Sunday is the Second Sunday of Advent, and we will light the candle of Peace. It’s appropriate, then, that in Oslo, Norway, on that same day, Setsuko Thurlow will join the International Campaign to Abolish Nuclear Weapons (ICAN) in accepting the Nobel Peace Prize. Thurlow has been an advocate for banning nuclear weapons for more than seventy years, ever since August 6, 1945, when the atomic bomb exploded over her hometown of Hiroshima, Japan.

"Hiroshima after the Bomb" by Maarten Heerli...