'Street Gang: How We Got to Sesame Street' Review: A Dream Team Teaches Kids Math, the Alphabet and Integration

"Street Gang: How We Got to Sesame Street" has the good fortune to be arriving with about a hundred more built-in advantages than most documentaries. Offering up vintage backstage footage of Jim Henson and Frank Oz operating the Muppets feels a little like Henry Houdini coming back to reveal all his secrets. For parts of […]