Richard Horton, the editor of The Lancet, was highly critical of the outcome, saying it lacked “concrete and specific actions.” Ever the stern school master he gave Angela Merkel credit for recognising “that global health is the foundation of economic success” but in his view the G20 had “flunked” on global health. I have three points to make on this." (Photo: univgirona/flickr, CC BY-NC-ND 2.0)