What to know

• Trillionaire Elon Musk has quietly become the biggest known spender in this year’s midterm elections, doling out more than $276 million since July to try to save Republican majorities in the House and SenateS1
• Elon Musk, the world’s only trillionaire, has quietly become the biggest known donor in this year’s midterm elections, doling out more than US$276 million since July to try to save Republican majorities in Congress. The numbers, first reported by the New York...S2