One of the most entertaining segments of this year’s Napa Valley Wine Writers' Symposium (along with How well do Napa Cabs age? and Napa Cab lightens up) was a session moderated by wine and food writer Evan Goldstein MS during which I shared the stage, or at least some rather wobbly high stools, with wine writer Karen MacNeil and ex-somm Andrea Immer Robinson MS, both of whom are now based in the Napa Valley. Sometimes people refer to my Oxford Companion to Wine as ‘the wine bible’ but Karen (pictured here with a stack of three Wine Bibles in...