Actually, that's not what he said - what he said was that cheating happened in the same ethnic groups, but he didn't say that it happened more in certain groups

Actually, that's not what he said - what he said was that cheating happened in the same ethnic groups, but he didn't say that it happened more in certain groups than in others. Which is not to say that one couldn't make such distinctions, I think - but blogging about that would be sure career-suicide.