Vietnam again (coffee, ethnicity)

[Bradford DeLong]

>A friend of a friend is over there at the moment with a small project aimed
>at helping the Vietnamese to grow some of the higher-margin robusta beans
>in a less industrial manner, so Vietnamese gourment coffee may be an
>evolving market ....
>
>dd

Why not simply train the French to drink drip Vietnamese arabica 
coffee mixed with sweetened condensed milk?

Brad DeLong