Iranian President Hassan Rouhani Supporter

Iranian President Hassan Rouhani Supporter

Majid Saeedi/Getty Images

A man holds up a poster depicting Iranian President Hassan Rouhani in between Supreme Leader Ayatollah Ali Khamenei and former Supreme Leader Grand Ayatollah Ruhollah Khomeini as Rouhani's motorcade leaves Mehrabad Airport in Tehran, on September 28, 2013.