NEW YORK — First “Sesame Street,” then “Barney” and now “Teletubbies”: The PBS programs for the youngest TV viewers are getting new looks in the face of intense competition for children’s attention.

CLEVELAND, Ohio -- When you were a kid, did you watch "Barney" or "Arthur?" Were you an honorary resident of "Sesame Street" or "Mister Rogers' Neighborhood." Maybe "Teletubbies" or "Reading Rainbow" ...