Plot: “Saturday Night Live” star turned late-night luminary Seth Meyers returned to the Stern Show where he regaled listeners with anecdotes about celebrities ranging from Taylor Swift to Don Rickles while also showing Howard precisely how the sausage he serves on his critically acclaimed NBC show gets made. The 49-year-old funnyman, father, podcaster, children’s author, and “Late Night With Seth Meyers” star was more than happy to peel back the curtain, especially when it came to his show’s signature segment, “A Closer Look