Marc Malkin Senior Film Awards, Events & Lifestyle EditorNetflix has released the first trailer for “Pray Away,” the Ryan Murphy- and Jason Blum-produced documentary about the so-called “ex-gay” movement.The Kristine Stolakis-directed film, which will premiere Aug. 3 on the streamer, chronicles the rise of Exodus International, a group founded in the 1970s by five members of an evangelical church that claimed gay people could become straight if they “pray away” their homosexuality.