nothing was normal, things are definitely not back to the days when at least half the eventual Best Picture nominees would have been unveiled by the end of the September film festivals.The best bets from the slightly-scaled-down Venice Film Festival may be Jane Campion’s revisionist Western “The Power of the Dog” and Denis Villeneuve’s epic “Dune,” along with a handful of critics’ favorites whose appeal to voters has yet to be tested.Telluride added premieres of Kenneth Branagh’s “Belfast” and