LOS ANGELES —  When the Cystic Fibrosis Foundation hosts “A Culinary Evening with the California Winemasters” May 17 on the Midwest Street backlot at Warner Bros. Studios in Burbank, 1,400 guests from all across the country are expected to attend this always sold-out event.

Downtown Napa is suddenly awash in wine bars and tasting rooms, but Oxbow Wine Merchants stands out among them.

It’s now difficult to believe that when Vintners Collective and Napa Wine Merchants opened five years ago, the only dedicated wine tasting salon in downtown Napa was Bayview Cellars in Napa Traditions.

I’ll let you in on a little secret.