“A show about communism and artists’ relationship to power” at the Postmasters gallery brings together propaganda and dissent, from the smuggled authentic photographs of the Soviet party elite to modern Russian counter-power Chto delat?/What is to be done? collective. Also: Red begonias painted with love for the cult of Kim Jong Il, who, by the way, still keeps on keeping on. Yikes.“Engineers of the Soul,” Oct 23 – Dec 4, Postmasters Gallery, New York