Why waste time at a clothing-optional resort when there's a clothing-optional cruise line? Not surprisingly, the chilly "Fall Foliage in New England" cruise isn't selling well. Did you know dogs can actually smell liars? We'll tell you about some impressive science behind it. Sesame Street's always been the frontrunner in bringing new characters- a muppet in a wheelchair, a muppet with autism- the new character is especially sweet.