★★★☆☆
Dir. Errol Morris. 2010. N/R. 87mins. Documentary.
Beauty queen. Mormon bogeyman. Attention hog. Dog cloning proponent. To his ever-growing gallery of eccentrics, Errol Morris now adds Joyce McKinney, a Midwest firecracker with a life story that made for exceptional tabloid fodder. A former Miss Wyoming with a 168 IQ, she made headlines when she traveled to Britain in 1977 to rescue (although others would say to kidnap) the Mormon love of her life, Kirk Anderson. The gun she had…