Why Vietnam drought may spike global espresso prices

Gia Lai Province - Vietnam's coffee growers have been hit hard by the worst drought in nearly a decade this year, and that could mean a morning espresso is about to get more costly.

The country is the world's second biggest coffee producer and the top producer of robusta beans, the variety most commonly found in espressos and instant coffees.

Domestic forecasts for next season's harvest in Vietnam remain gr