What is the 'mystery' and the partial hardening until the fullness of Gentiles?

In part two of a series on the four major views of Romans 9-11, Caleb is joined by Sam Storms (PhD, University of Texas) President of Enjoying God Ministries and President and Executive Director of Convergence Church Network as well as former Lead Pastor for Preaching and Vision, Bridgeway Church, Oklahoma City, OK. Together they seek to answer this question: How will "All Israel" be saved in Romans 11:26?

Resources:

1. Romans by Sam Storms
2. Kingdom Come: The Amillennial Alternative by Sam Storms
3. The Israel of God: Yesterday, Today, Tomorrow ⁠O. Palmer Robertson
4. Ben Merkle's Chapter in: Paul's Letter to the Romans: Theological Essays
5. Ben Merkle's Chapter in: Three Views on Israel and the Church: Perspectives on Romans 9–11
6. Ben Merkle Summary Video
7. The Bible and the Future by Anthony Hoekema
8. The Deliver from Zion by Chris Bruno