CIRCLING THE WAGONSWhatever the internal rivalries of the GOP might be, they can't allow a focus to be drawn on their race-based appeals as a party. So when one of them is attacked, the defenders come out in droves. . .Rush Limbaugh, a paragon of racial sensitivity, says he isn’t bothered by Rock Perry’s “Niggerhead” hunting grounds. Well, that puts the issue to rest for mehttp://