Donald Trump a 'clown' who will betray Iranians: Khamenei

*Tehran:* Iran's supreme leader Ayatollah Ali Khamenei said President Donald Trump is a "clown" who only pretends to support the Iranian people, as he addressed Friday prayers In Tehran for the first time since 2012. Khamenei says Trump will 'push a poisonous dagger' into the nation's back.

He said the outpouring of grief at...