Ashton , Iranian diplomat praised him . Iran 's nuclear aspirations have been controversial . Tehran says it wants to develop nuclear energy solely for peaceful purposes , but Western nations have long said that Iran is intent on developing nuclear weapons . Hassan Rouhani , Iran 's president , said : ` ` and unhealthy rivalries ''
Ashton , Iranian diplomat praised him . Iran 's nuclear aspirations have been controversial . Hassan Rouhani , Iran 's president , said : ` ` and unhealthy rivalries ''