Was Dr. Seuss, né Theodor Seuss Geisel, oblivious to his own genius? The allegory of his charming Horton Hears a Who! remains fluid today, and like its crafty rhymes, ebbs and flows with the times.

Like the giant animated elephant star of "Horton Hears a Who!" you'll be surprised at what you're hearing. Yes, that really is Steve Carell, Jim Carrey, Seth Rogen, Carol Burnett and Amy Poehler — all ...