LOS ANGELES, Feb. 3 (UPI) -- The Muppet Show , premiering Wednesday on Disney+, revives the classic variety show with puppets. Celebrities like Sabrina Carpenter, Seth Rogen and Maya Rudolph prove well-suited to meet the Muppets on their professional and satirical level. Much has not changed since the '70s. The show alternates between music, sketches and backstage antics. Kermit the Frog (Matt Vogel) still frantically tries to hold the show together. Miss Piggy (Eric Jacobson) is still trying