President Barack Obama will attend the national memorial service in Johannesburg on Tuesday for former South African President Nelson Mandela who died on Thursday, the White House said. Other details of the trip and the U.S. delegation will be announced soon, the White House said on Saturday. Obama and his wife, Michelle, will be joined by former President George W. Bush and his wife, Laura, on Air Force One on the trip to South Africa next week, the White House said on Friday. Former President Bill Clinton will also attend Mandela events in South Africa, but his travel plans have not been announced.
In one of the biggest advances against leukemia and other blood cancers in many years, doctors are reporting unprecedented success by using gene therapy to transform patients' blood cells into soldiers that seek and destroy cancer.