Dorsia founder Marc Lotenberg says his company — now nearly three years old — works with the restaurants rather than on the black market. “The $300 they [diners] paid to get a table could have been ...

Zinfandel, whose origins were then mysterious, used to be California’s most widely planted red-wine vine before the 1990s fashion for aping the French classics took hold, to the detriment of Zin, ...