Reviewed by GREG KING Director: Pawo Choyning Dorji Stars: Sherab Dorji, Kelden Lhamo Gurung, Kunzang Wangdi, Tsheri Zom, Pem Zan. We’ve had lots of films about dedicated and inspiring teachers who make a difference and change the lives of their students (Dead Poets Society, Dangerous Minds, Stand And Deliver, etc), but this charming little drama from Bhutan inverts the usual tropes of this rich subgenre. …