Summary: US regulators unveil long-awaited restrictions on some flavoured e-cigarettes, Bernie Sanders notched up the biggest quarterly money haul so far of any Democratic US presidential candidate and Brussels is preparing a fresh push to create an EU-wide tax on plastic waste. Plus, the FT’s David Sheppard highlights what investors will be watching in the oil markets in 2020. <br><hr><p style="color: grey;">See <a style="color: grey;" target="_blank" rel="noopener noreferrer" href="https://acast.com/privacy">acast.com/privacy</a> for privacy and opt-out information.</p>
