WASHINGTON — Researchers say no other age group was undercounted as much during the last once-a-decade census than children under 5. Sesame Street is using Count von Count to change that. He is ...

Add Yahoo as a preferred source to see more of our stories on Google. "Sesame Street" Muppet characters Count von Count, left, Elmo and Grover pose together at the Sesame Workshop annual benefit gala ...