Your morning briefing, the business news you need in just 15 minutes.On today's podcast:(1) President Joe Biden stumbled through exchanges in Thursday's presidential debate, a performance that risks exacerbating concerns about his age and intensifying Democratic worries about their candidate's ability to defeat Republican Donald Trump in November's election.(2) The International Monetary Fund said Thursday that the US is running deficits that are too big and is weighed down by too much debt, and it warned of dangers from increasingly aggressive trade policies.(3)  European Union leaders nominated Ursula von der Leyen for a second term as president of the bloc's executive arm, as part of an agreement on top jobs for the next five-year mandate. See omnystudio.com/listener for privacy information.