Barring extraordinary circumstances, next month U.S. President Barack Obama will successfully sustain a veto of a congressional resolution against the nuclear agreement between six world powers and Iran, and the deal will be sealed. But in Israel, Prime Minister Benjamin Netanyahu’s opposition to the agreement continues unabated. What he expects to achieve by fighting the deal to the bitter end is still a mystery.

It is, however, already abundantly clear that considerable work is needed to repair the U.S.-Israel bilateral relationship, which has been frayed by the negotiations with Iran and Netanyahu’s attempts to derail them. Despite those strains, Israel is as dependent as ever on the U.S. for its security and still needs the U.S. to deal both with immediate challenges and long-range threats. ...