ANC secretary-general Fikile Mbalula has accused the DA of grandstanding over the signing of the Expropriation Bill into law by President Cyril Ramaphosa.Addressing the media at the ANC lekgotla in Boksburg, Ekurhuleni, Mbalula said anyone who wants to challenge the act is free to do so.”The land expropriation bill has been here [since] a long time ago. All the checks and balances were done before it was signed into law. The DA and others have [woken] up [from] their slumber as if it is something new,” he said, adding that anyone who wants to challenge should do so, rather than…