When, say, Trent Lott makes a “racially insensitive” remark (even one I happen to believe, despite my noted dislike for Lott, he did not intend), Democrats and the mainstream press depict those comments as a kind of slipping of the mask, behind which lurks the ugly manifestation of a black-hearted racist. Yet when Joe Biden, Barack Obama’s ubiquitously Brylcreemed VP pick, makes “racially insensitive” remarks of a far less roundabout