‘Running Wild with Bear Grylls’ promo: Zac Efron, Ben Stiller, more in peril

There is probably something both entertaining and sadistic about the first promo for NBC’s upcoming “Running Wild with Bear Grylls” premiering on July 20. It shows celebrities completely out of their element having to learn to survive, and this is not an easy thing for them (or really anyone else, for that matter) to do. […]