Basedonthebestsellingbookofthesamename,TheBeckoningSilencefollowsmountainclimberJoeSimpsonashetakesononeoftoughestchallengesofhiscareer.FreshfromhishorrificordealinthePeruvianAndes--asrecountedintheOscar-winningdocumentary"TouchingTheVoid"--Simpsonat...