Skedaddle - thanks. Can you source that? While reading up on this, I found some differing views. I'm using Wiki for this explanation (not where I originally read it), but there's references in the Wiki article. Thoughts?
Most Shia traditions regard the practice as obligatory. They rely on sayings that come from classical Shia authors.[26] In one narration Muhammad was asked if an uncircumcised man could go to pilgrimage. He answered "not as long as he is not circumcised". They quote Ali as saying: "If a man becomes Muslim, he must submit to circumcision even if he is 80 years old".[27] Another narration from Al-Sadiq says: "Circumcise your sons when they are seven days old as it is cleaner (athar) and the flesh grows faster and because the earth hates the urine of the uncircumcised".[28]
https://en.wikipedia.org/wiki/Khitan_(circumcision)
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There is a tradition in arab Orthodoxy (and I think it is also Ethiopia), to circumcize. The Orthodox Church does NOT require the practice, and views it as part of the Old Covenant. It was interesting reading the Orthodox forums, and happy to see that they have officially taken a stand against it as a religious practice (though they do not forbid it).