Children look at photographs of former South African President Nelson Mandela, top, and U.S. President Barack Obama, bottom, with messages from well-wishers outside the Mediclinic Heart Hospital where... more 
Children look at photographs of former South African President Nelson Mandela, top, and U.S. President Barack Obama, bottom, with messages from well-wishers outside the Mediclinic Heart Hospital where Mandela is being treated in Pretoria, South Africa Sunday, June 30, 2013. South Africans in Sunday services have been praying for former President Nelson Mandela who is spending his 23rd day in a Pretoria hospital in critical condition. (AP Photo/Themba Hadebe) less 
1 / 30
Associated Press | Photo By Themba Hadebe
Sun, Jun 30, 2013 10:06 AM EDT