Billionaire Isabel dos Santos Denies Wrongdoing at Sonangol

(Bloomberg) -- Isabel dos Santos, Africa’s richest woman and the daughter of former Angolan President Jose Eduardo dos Santos, said she did nothing wrong when she was chairwoman of state-owned oil company Sonangol and called a probe into the transfer of millions of dollars from the Luanda-based firm “political vengeance.”Angolan newspaper Novo Jornal reported on Oct. 18 that Angola’s prosecuting authority started a criminal investigation into the transfer of $38 million f