TARGET THE GRINCH - AN INSIDERS PERSPECTIVE: I've recieved literally hundreds of letters - in fact in total it may now be approaching one thousand. Many of them - better than 98% have been outraged at Target's actions and supportive of the effort to call them to some sensible thinking - and let the Salvation Army BACK in front of their stores. I recieved this letter Saturday evening. It is valuable because of some of the insight it offers as the person writing it claims to be a current Target employee... Mr. McCullough: I read your column about the...