US-Iranian enmity is not just a matter of differences in goals, but a self-perpetuating institution unto itself. Segments of the Iranian regime retain power by playing the “Great Satan” card. In the United States, promising to attack Iran has been a surefire way of garnering electoral support. The relationship does not fall into the realm of the rational, just the ‘"rationale."

Alexander Zemlianichenko/AP
EU foreign policy chief Catherine Ashton listens to a question during a news conference after discussions on the controversial Iranian nuclear program in Moscow June 19. Iran and six world powers are suspending the high-level talks. Op-ed contributor Neil Padukone writes that next time, 'the parties should consider broadening their approach.'