![The Economist Radio (All audio) show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/794/small/the-economist-all-audio.jpg)
Summary: The Bill & Melinda Gates Foundation has given away grants of over $36 billion in the past decade. But under a new presidency, philanthropist and Microsoft co-founder Bill Gates faces stiff challenges on vaccine programmes, promised clampdowns on federal aid and a mood of distrust toward technocrats. He tells host Anne McElvoy why he still believes in engaging with Donald Trump.