See my contributing piece on WND on this question:
www.wnd.com/2015/05/winds-of-change-on-the-rapture/
Why Are Many Pretribs Abandoning Their Beliefs and Embracing the Prewrath Position?
Alan Kurschner, Ph.D. is the founder of Eschatos Ministries, teaching Bible prophecy from a futurist, premillennial, prewrath perspective.