Reviewed by GREG KING Director: Joel Edgerton Stars: Lucas Hedges, Nicole Kidman, Russell Crowe, Joel Edgerton, Flea, Joe Alwyn, Troye Sivan, Xavier Dolan, William Ngo. This is the second film to hit our screens in as many months to deal with the controversial subject of gay conversion therapy and the potential damage it can cause among the vulnerable and confused teens it aims to help. The first was Desiree …