Mahmoud Abbas originally thought it was a good idea. There was a new administration in Washington, one most favorably inclined to the Palestinians. The Biden people were ready to undo what the “unfriendly” Trump Administration had done. Trump had closed the PLO office in Washington, Biden promised to open it. Trump had folded the consulate to the Palestinians in east Jerusalem into the Embassy in Jerusalem; Biden promised to reopen it. Trump had ended both direct aid to the Palestinians and American contributions to UNRWA. Biden announced that he was again turning on the spigot of aid, starting with a...