From left, Vice President Joe Biden, South African ambassador Ibrahim Rasool, his wife Rosieda Shabodien, Sec. John Kerry and his wife Teresa Heinz Kerry, led mourners at Washington National Cathedral in paying tribute to former South African President Nelson Mandela. Photo courtesy Donovan Marks / Washington National Cathedral. Donovan Marks / Washington National Cathedral

From left, Vice President Joe Biden, South African ambassador Ibrahim Rasool, his wife Rosieda Shabodien, Sec. John Kerry and his wife Teresa Heinz Kerry, led mourners at Washington National Cathedral in paying tribute to former South African President Nelson Mandela. Photo courtesy Donovan Marks / Washington National Cathedral. Donovan Marks / Washington National Cathedral