In the state where David Lett once maintained a lonely vigil there are now more than 90 wineries making Pinot Gris.

FORBES: White Wine From a Black Sheep

But it raises some questions about the wineries that use his services: Are they making wines purely to get good reviews for the sake of driving sales?

FORBES: Fixing The Game?

They made significant changes in vineyards and wineries, replanting varietals, reducing yields and improving wine-making technology.

WSJ: How Malbec Became the Wine of 'Regular People' | On Wine by Lettie Teague