How Much Should You Tip For One Muffin?

Are the vibes at a restaurant more important than the food? Would you rip a bagel and drag a piece through cream cheese, instead of slicing and spreading? Do you tip less when you get bad service? We get into these questions and a lot more in this edition of The Salad Spinner, our rapid fire roundtable discussion of food news and trends, live at SiriusXM headquarters in New York City!