Reviewed by GREG KING Director: Felix van Groeningen Stars: Steve Carell, Timothee Chalamet, Maura Tierney, Amy Ryan, Kue Lawrence, Jack Dylan Grazer. Sharing the same title as a John Lennon song (which Richard Dreyfuss sang to his hearing impaired son in Mr Holland’s Opus), this is a downbeat and grim, but ultimately inspiring cautionary tale of drug addiction, rehabilitation, relapse, and the huge …