► Read more at https://on.ft.com/2ORSWnm<br /><br />Emerging markets currencies, especially the Argentine peso and Turkish lira, are falling as the dollar strengthens. This explainer looks at the reasons behind this and the links to US monetary policy.<br /><br />► Subscribe to FT.com here: http://bit.ly/2GakujT<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes