President Donald Trump’s decision to withdraw from the nuclear deal with Iran dealt a political blow to Iranian President Hassan Rouhani, who faces a challenge from hard-line opponents who never wanted to engage with the West. In his five years as president, Mr. Rouhani has tried to guide the Islamic Republic out of reclusion, shaping it into a more economically open country. The 2015 nuclear deal with the U.S. and other world powers was his signature achievement in which he won an end to years of sanctions by agreeing to curbs on the country’s nuclear program. Mr. Trump’s decision opens a new chapter in Iran’s decades-old feud between defiant nationalists who value self-reliance and relative moderates who favor a more broad-minded approach. The hard-line camp advocates for a return to an antagonistic posture toward foreign influence and investment. President Rouhani said the U.S.’s pullout from the nuclear agreement was […]