Its supporters include Sister Helen Prejean, the inspiration for "Dead Man Walking," who wrote, "I stand morally opposed to killing: war, executions, killing of the old and demented, the killing of children, unborn and born".
On 24 July, more than two weeks into the current conflict that has seen more than 1,800 Palestinians killed, she wrote: "Can people stop trying to justify the killing of children.
"They said I couldn't represent a country that was killing my own people, that performing would give a green light to the killing of children in Gaza".
She recently tweeted: "Can people stop trying to justify the killing of children.
"From the first moment," he said, "we condemned the killing of children".
On the one Hand, the killing of Children is largely forbidden by Scripture.
The killing of children at a Connecticut school in December was the final straw.
"Can people stop trying to justify the killing of children," she wrote.
The last taboo still standing in the movies is against the killing of children.
"Lots of people are appalled at the killing of children and the level of destruction.
How do we know about some of the more gruesome things that these women did, like the killing of children?
