Radio talk show host and media personality Rush Limbaugh has been the center of controversy at numerous points in his 15-year career as a national figure. Few people can rival Rush's ability to polarize a group; he is detested by liberals and embraced by conservatives. In September, Limbaugh was added to sports network ESPN's Sunday NFL Countdown as a commentator, and on September 28, he made comments regarding Philadelphia Eagles' quarterback Donovan McNabb and the media's treatment of racial issues in sports. …