Elon Musk's role at the heart of the US government's internal cost‑cutting drive came under fresh scrutiny in Washington last week, after a Government Accountability Office (GAO) report found that Musk's Department of Government Efficiency (DOGE) had exaggerated its savings and operated with strikingly little transparency during Donald Trump's return to the White House. The GAO released a comprehensive review scrutinising the unit's public 'Wall…