The Rapture in Revelation 3:10

Why is Revelation 3:10 such a hotly contested passage between pretribulationists and non-pretribulationists? It is important since it is a text claimed by pretribulationists to teach that the church will be kept out of the Tribulation. Jeffrey Townsend has written perhaps the best study ever done in defense of the pretribulational understanding of this key passage. He demonstrates from the Greek New Testament that the church will be removed before the seventieth week of Daniel begins...