There is no virtue in his Friday prayer at all...

There is no virtue in his Friday prayer at all, if he does not believe in praying with the Imams, whoever they are, good or bad; the Sunna is to pray two prostrations with them and consider the matter finished. On that let there be no doubt in your bosom. (Some Essential Hanbali Doctrines from a Credal Statement in Themes of Islamic Civilization, p. 31, 1971). According to the Hanbali verdict quoted above, anyone and everyone can lead the Muslims in prayer.

Abu Hurayra and Abu Sufyan are as much qualified to become prayer-leaders as Abu Bakr. This opinion was formulated by the later generations of the Muslims. One man who didn't share it with them, was Muhammad Mustafa, the Interpreter of God's Last Message to mankind. He considered Umar bin al-Khattab…