“Sesame Street” is about to get a whole lot cuter.Elmo, Grover, Abby Cadabby and the rest of the Muppet gang are introducing a new character to the show this summer — a white-and-brown puppy named ...

Elmo, the red Muppet so closely associated with “Sesame Street,” has enjoyed a long and fruitful partnership with his fish, Dorothy, and his pal, Mr. Noodle. Soon, he will be extending his circle of ...