Pope Francis has held a historic meeting with revered Shia Muslim cleric Grand Ayatollah Ali al-Sistani in Iraq’s holy city of Najaf, according to al-Iraqiya state TV, on the second day of the pontiff’s visit to the country.Pope Francis has held a historic meeting with revered Shia Muslim cleric Grand Ayatollah Ali al-Sistani in Iraq’s holy city of Najaf, according to al-Iraqiya state TV, on the second day of the pontiff’s visit to the country.