When was the last time you heard any public figure [politician, entertainer, executive] say "I was wrong" when he was wrong?
We do occasionally get the Grand Apology Tour from people who have accidentally told the truth, or from white people who have said the word nigger.
But we never hear "I was wrong" from people who were actually wrong.
Nor do we hear "Yes, I think you're probably right" or even "Hmm. I'll have to think about that."
Facts are no longer capable of changing minds. Only the threat of riots from Jesse Jackson, or the threat of bankruptcy from the Jewish Mafia, can make a public figure sound apologetic.