Dr. Mehmet Oz has spent the past week defending himself from charges that he's hopelessly out of touch with most residents of Pennsylvania, where he is the Republican candidate for Senate. Last Monday John Fetterman, Oz's Democratic opponent, resurfaced a video Oz recorded in what he called a "Wegners" — a mishmash of the Redner's and Wegmans grocery store chains — shopping for "crudité" and complaining about inflation. Fetterman's comment: "in PA, we call this a veggie tray." In an exclusive statement as part of Insider's investigation into Oz, the doctor's campaign jabbed back. "If John Fetterman had ever eaten...