Sri Lanka declares economic emergency over food and other supply shortages

<p>From the BBC World Service: Sri Lanka has seen a steep fall in the value of its currency, with private banks struggling to pay for imports, causing a spike in food prices. Plus, as El Salvador prepares to adopt Bitcoin as a form of legal tender, a new $150 million fund has been approved to facilitate conversion from Bitcoin to U.S. dollars. And, what a COVID-19 lockdown in Vietnam could mean for your morning coffee.</p>