122 states—but none of the world’s nine nuclear powers—voted to ban the bomb.

Father J. Bryan Hehir believes that even the expanding reach of North Korean missiles cannot morally justify a preventive strike by the United States at this time.

"The indiscriminate and disproportionate nature of nuclear weapons compel the world to move beyond nuclear deterrence," the declaration said.

Pope Francis offered words of hope and encouragement, telling the G20 leaders that, while there are no immediate adequate solutions, “it is possible, though, to set in motion processes that can offer solutions."

No amount of flexibility on the ground can replace an achievable strategy.

The New York Historical Society is presenting, "World War I Beyond the Trenches" as part of the 100th anniversary of the United States' entry into World War I.