but all the man did was choose not to shake hands and explain why...THAT is exactly why we need to have laws against religious discrimination.
a while ago it would have been he was a Jew, or a black etc etc....
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You are completely wrong on this. It has nothing to do with religious discrimination. It's about common good manners and respect. HIS family custom is that when someone enters HIS home, HIS family extends a warm greeting involving a handshake. The asshole Muslim never even had the common decency to explain his religious position. He had to have another woman explain his position. Why can he not shake a woman's hand, but allow a woman to speak for him about his Muslim beliefs? The Muslim showed no respect whatsoever!
You were way off to bring Jew or Black into this. Neither of those two groups believe all Western people are evil Satan, and want them all to either convert to Islam or die. Neither of those two groups have the position that the Muslims have concerning women, nor would they act like an asshole and refuse to shake the hand of a woman that just invited them into her home.