Where Has Eternity Gone?

An alternately sad and hilarious venture into middle America’s eccentric underbelly, Barney Snow’s “Where Has Eternity Gone?” spends 49 riveting minutes in the company of Gerald and Linda Polley, a Fargo couple who seem as docile as Pa and Ma Kettle but who claim to be in contact with the spirit of John Lennon and who “channel” new Lennon songs.