Can I advise you something? Rosmah Mansor’s scolding of husband Najib Razak, Malaysia’s disgraced ex-leader, is talk of the town

• Malaysian investigators probing the 1MDB financial scandal have released recordings they say feature the self-styled ‘first lady’ berating her husband
• These have gone viral on social media, fuelling the perception that Rosmah held undue sway over Najib during his tenure as prime minister