Three lessons the Trump Administration must learn if it wants to avoid a costly and embarrassing failure.

Between offers made by Israeli leaders and the hints—especially on Jerusalem—from Sharon’s thinking, it seems clear that there is an implicit Israeli bottom line for peace. The question for Secretary Kerry’s negotiations is this: is he trying to find a way to get the Palestinians to accept this old formula with a few minor modifications or is he trying to get the Israelis to put more on the table?