“If you think that elegant transitions like these are the crucial elements in the Ring — if you view Wagner’s cycle primarily as a series of logistical puzzles waiting to be solved with advanced technology — Ka might convince you, as it apparently did Mr. Gelb, that Mr. Lepage is the man for the job.  But if you care more about the cycle’s nuances — its characters and their relationships, its emotions, its philosophical complexities — then the idea of giving the reins to the creator of Ka, which is wholly devoid of all those complexities, is preposterous.” Zachary Woolfe went to Las Vegas and all we got was a thoughtful analysis of why Robert Lepage never was a good fit for the Ring.