Jack Schlossberg, the only grandson of the late President John F. Kennedy and Jacqueline Onassis, is going viral for claiming eating at restaurants is “purely corrupt.” The 30-year-old Yale and Harvard grad’s “Resta-rant” was posted Monday to his Instagram Story and remains on his account as a Highlight. SNIP “We have to wait there to eat something that we don’t get to choose, really, what it is,” Schlossberg said to the giggling camera operator. “We only get a few choices, and you don’t know what any of them are gonna taste like or what’s good … and we’re gonna sit...