During Nelson Mandela’s memorial service in Johannesburg on this date (Dec. 10) in 2013, a man pretending to interpret for the dignitaries that spoke was declared a fraud by South Africa's deaf federation. image from Sky News video U.S. President Barack Obama was among the heads of state attending the service at the 95,000-seat football stadium when Thamsanqa Jantjie took to the stage. The incident raised security concerns and is an embarrassment for the South African governm