As Iranian Foreign Minister Abbas Araghchi lays the groundwork for a new round of nuclear negotiations with the United States, and Ali Larijani, senior adviser to Supreme Leader Ayatollah Ali Khamenei, signals a willingness to offer nuclear-related concessions in exchange for sanctions relief, Iranian political analysts view President Donald J. Trump's psychology and Republican dominance across the executive and legislative branches as strategic levers to circumvent opposition from U.S. allies critical of Iran and to secure a durable bilateral agreement with Washington.