Jerry Eisterhold, wearing a wide-brimmed hat against the Missouri summer sun, pulls a bunch of grapes of a ... only winery devoted exclusively to American grapes, rather than the European grapes ...

If you’re like the average American, chances are high that ... don’t think you’ll get to in time. One bad grape truly can ...

But inspectors look even closer. If the color of these grapes matches categories three or four on this color card, then just one bunch could sell for $90 to $450. But size and color are just two ...