<i>The student desperately explained that it was an ordinary history book, not a racist tract, and that it in fact celebrated the defeat of the Klan in a 1924 street fight.</i><p>Just so you guys understand: This is the point of the speech codes (and similar laws in Europe [1]).  It is very difficult to get people to make strident affirmations of their political allegiance...unless you start making threats, even if they are crazy threats.  This pattern is common.<p>[1] <a href="http://www.dailymail.co.uk/news/article-1241994/Businessman-arrested-wife-son--anti-gipsy--email-didn-t-write.html" rel="nofollow">http://www.dailymail.co.uk/news/article-1241994/Businessman-...</a>