NEW YORK - Elmo
will be carrying a new tune on "Sesame Street
." Several, actually.A shift in how the popular puppet is deployed marks the most visible change on "Sesame Street
," the children's program that began its 43rd season on public television on Monday.The "Elmo
's World" segment is being phased out after 13 years, replaced by a new segment, "Elmo
the Musical." Ten new skits, each lasting 11 minutes, have been prepared.The idea is ...