‘I Is Another’ Review: An Impeccable Claes Bang Plays Felix Kersten, Massage Therapist to Heinrich Himmler and Would-Be Nobel Laureate

A handsomely upholstered psychological thriller with more than a little contemporary resonance, the period drama “I Is Another” should spark heated debate about what constitutes a historical fact as well as the increasingly malleable nature of truth today. German writer-director Felix Randau’s fourth feature centers on the fascinating but now mostly forgotten figure of Felix…