How to Tell if Wine Has Gone Bad

How to Tell if Wine Has Gone Bad. Part of the series: Perfect Pours. You order a bottle of wine at a restaurant. The sommelier opens it, presents you with the cork, pours a bit of wine in your glass, and then waits for your reaction. Sommelier Jordan Salcito explains how to use this tableside ritual to tell if the wine you ordered is good, or if it’s gone bad in the bottle. Read more: