Taylor Swift is the world’s biggest pop star and an economic powerhouse. She has become so popular that allies of the likely Republican nominee Donald Trump are worried about her political influence if she publicly endorses Joe Biden. But does the singer really have the sway to decide the outcome of the US election? The BBC's North America Business Correspondent Erin Delmore looks at the evidence. The Global Story brings you trusted insights from BBC experts around the world, with Katya Adler. We’re keen to hear from you, wherever you are in the world. #TheGlobalStory We want your ideas, stories and experiences to help us understand and tell The Global Story. Email us at theglobalstory@bbc.com You can also message us or leave a voice note on WhatsApp on +44 330 123 9480. Today’s podcast was made by Alice Aylett Roberts, Richard Moran and Emilia Jansson. The technical producer was Mike Regaard. The assistant editor is Sergi Forcada Freixas and the senior news editor is Jonathan Aspinwall.