Set in the beginning of the “Dirty War” of Jorge Rafael Videla’s military junta in Argentina, a period characterized by assassination and disappearance, “Kamchatka” is a superb novel that refracts public, political events through the sensibilities of everyday life. Kamchatka by Marcelo Figueras. Translated from the Spanish by Frank Wynne. Black Kat, Grove/Atlantic, 311 pages…