December 10, 2013 8:34 am Obama Urges World: Act on Mandela Legacy President Obama spoke of former South African President Nelson Mandela’s legacy of making peace by getting them to trust each other. Obama spoke at the memorial for Mandela in Johannesburg, South Africa. US & World Videos 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 0:48 World Central Kitchen to resume operations in Gaza 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner