JAMES TARANTO: The R-Word: James Clyburn and the new racial taboo. “Just as racism and the expression of racially prejudiced sentiments have become taboo, the word ‘racism’ and the imputation to others of racially prejudiced sentiments are becoming taboo. As ‘The Daily Show’ reported in August: ‘The race card’s maxed out.’ Electing a black president really has made a difference.”