Iran and the United States signaled a fresh will on Sunday to seek to end the dispute over Tehran's nuclear program after Hassan Rouhani was sworn in as president and called for dialogue to reduce "antagonism and aggression". "The only way for interaction with Iran is dialogue on an equal footing, confidence-building and mutual respect as well as reducing antagonism and aggression," Rouhani told parliament after taking his oath of office. "If you want the right response, don't speak with Iran in the language of sanctions, speak in the language of respect," he said. Within hours, the United States said...