PBL (problem- or project-based learning as both are called) is a learning theory positing that as people learn, their minds actively connect new knowledge to pre-existing knowledge and build complex knowledge structures.
Hashem has, after all, judged exactly the cases of our lives on 5,778 previous occasions. He has seen individual Jews and even the entire Jewish people turn their lives around many times before. The ultimate Judge is biased in our favor
The Makovsky Plan resurrects the old State Department approach of forcing Israel to do something that is virtually irreversible, while requiring the Palestinians to do something that is easily reversible.