Open Line, Friday - 07/31/2020 - Sacraments of the Old Covenant

I had always thought that the concept of premillennialism did not exist until the 19th century. My question is, why did the tradition change to an amillennial view (Origen, Augustine)?, What’s the Catholic response to the woman in Rev 12 being Israel instead of Mary?, and more on today's Open Line Friday with EWTN V.P. of Theology Colin Donovan.