On the old Jack Benny radio show in the 1940s, a continuing character played by the actor Sheldon Leonard was a racetrack “shill,” who always spoke in a hushed tone. The shady character would suggest to Benny that he bet on a horse “in the third [race],” usually starting his pitch with “hey, bud” and ending his “sure thing” tip with the last line: “Trust me.” Following the racetrack tout’s tip often ended badly for Benny. This came to mind the other day when I read a social media post with comments from a young, attractive woman who had attended a winery event. In a photo of herself holding a glass of the winery’s chardonnay, she suggested that it was one of the best she had ever tasted. This woman was like the racetrack tipster, offering a suggestion on a “great” wine. What wasn’t said was that she was paid …