In a massive setback to US President Donald Trump, the Islamic Republic has just announced Mojtaba Khamenei, the son of Ayatollah Ali Khamenei, as the new Supreme Leader of Iran. This, despite the fact that Trump wanted a say in the selection of the new leader. In another development, Iranian Foreign Minister Seyed Abbas Aragchi has 'confirmed' that Russia was sharing intelligence with Iran in identifying US targets across the Middle East. Rifat Jawaid explains what Mojtaba Khamenei's emergence as the new Supreme Leader means for the US.