MARTIN PERETZ: Dennis Ross, Out As Special Envoy To Iran; Was He Ousted Because He’s A Jew Or A Bit Hawkish On Nukes? “To have crumbled precisely while the regime of the ayatollahs is facing a real crisis of confidence at home and something of a challenge to its legitimacy abroad is, well, just that: crumbling. It certainly does not testify to American resilience, even diplomatically.”