Episode 10 of the Watch! Series: Preaching the Gospel to the Whole World Before Jesus Returns, and "the Mystery."

In episode 10 of the Watch! series, of the Called Out Café podcast, we have reached the point in the Olivet Discourse in which Jesus tells His disciples that His return will only take place after “this gospel has been proclaimed to the whole world.”  Just exactly what could He have meant by that? There might be more to it than what appears on the surface. Could Jesus's statement have anything to do with "the mystery" that the Apostle Paul wrote about?  Lets take a look at it.