When you watch Cookie Monster on Sesame Street merrily devouring cookie after cookie, it looks utterly irresistible. That mess of crumbs, that grab of sweet dough, it all feels like pure childhood joy ...

If you have ever wondered what the “Sesame Street” Muppet is really eating, we have the answer. By Sopan Deb Years ago, a reader wrote probing for details on a mystery that had vexed him: What’s the ...