AdvertisementTo Thine Own Selfie Be True, But Not In All Places At All TimesDecember 10, 2013Karen Grigsby BatesfacebookEmailPresident Obama and British Prime Minister David Cameron pose for a picture with Denmark's Prime Minister, Helle Thorning Schmidt, during the memorial service for Nelson Mandela Tuesday in Johannesburg, South Africa. First lady Michelle Obama is on the right. (AFP/Getty Images)