UNICEF chief says Gaza crisis is “the most challenging environment for us”

Read MoreCatherine Russell, the UNICEF executive director, tells “Face the Nation” that the humanitarian crisis in Gaza is “the most challenging environment for us to work,” with the main problem being a “lack of security” and “so many times so many children have multiple times moved, trying to seek refuge trying to get away from the bombardments.”Catherine Russell, the UNICEF executive director, tells “Face the Nation” that the humanitarian crisis in Gaza is “the most challenging environment for us to work,” with the main problem being a “lack of security” and “so many times so many children have multiple times moved, trying to seek refuge trying to get away from the bombardments.”