ACCORDING TO A HADITH RECORDED AMONG OTHER PLACES IN SUNAN AHMED (HANBALI JURISPRUDENCE) AND SUNAN AL-BAYHAQI (SHAFI’I JURISPRUDENCE), DURING THE COURSE OF A DISCUSSION ABOUT NON-MUSLIMS, CALIPH OMAR AL-KHATTAB — ONE OF SUNNI ISLAM’S “FOUR RIGHTEOUS CALIPHS” — DECLARED “THEY ARE HEATHENS, AND THE BLOOD OF ONE OF THEM IS [LIKE] THE BLOOD OF A DOG.”