During her visit to South Africa, First Lady Michelle Obama stopped by the University of Cape Town for an event with young people. She told the audience how she came from modest circumstances and was able to attend top schools and build a career at a big law firm, saying they too can achieve their dreams if they try hard enough. After her speech, she was asked a series of soft questions like, "What advice can you give the youth today?" But at the end of the session, one young person in the audience asked Mrs. Obama, who has devoted...