Washington Post: How Eggs Became a Victory for the Animal Welfare Movement
"Much of the impetus of late has been spurred by the Humane League, which has focused almost exclusively on pushing companies to adopt cage-free eggs … 'They’ve been strategic in going one company at a time and making clear that they will campaign until that company treats animals more humanely,' said Lewis Bollard, farm animal welfare program manager at the Open Philanthropy Project, which gives money to causes it deems effective and underfunded. This spring it awarded the Humane League a $1 million grant."