ABC News with David Muir: Charity groups unite to tackle hunger and famine in the Horn of Africa July 19, 2017 By Oxfam Post Share Share ABC News with David Muir: Charity groups unite to tackle hunger and famine in the Horn of Africa http://abcnews.go.com/International/charity-groups-unite-tackle-hunger-famine-horn-africa/story?id=48730185