Any scholar slightly familiar with hadith...
Any scholar slightly familiar with hadith, islamic history and the discourses on imamate knows that very few events in the history of Islam and very few ahadith among the prophetic narration on imamate or the life of Amiru 'l- Mu’minin ‘Ali (‘a.s.) have received that much attention at the hand of Muslim scholars and theologians (the Shi‘ahs and the Sunnis alike) as the event of Ghadir Khumm.
It would suffice to know the books written by the Muslim scholars and traditionalists sunni and shi‘ah alike on this subject; the latest and most important of all works on this issue is al-Ghadir fi 'l-Kitab wa 's-Sunnah wa 'l-Adab by one of the contemporary Shi‘ah scholar ash-Shaykh ‘Abdu 'l-Husayn ibn Ahmad al-Amini an- Najafi (1320/1902–1390/1970) of which eleven volumes have already been published, and the work is not yet complete.
Ash- Shaykh al-Amini has dedicated the first volume to the text of hadithu 'l-Ghadir and its…