Plain talk: Limbaugh should be ashamed, but isn't By Dave Zweifel October 27, 2006 Rush Limbaugh may not be this country's most disgusting human being, but he surely ranks among the top 10. You're undoubtedly familiar with his latest outrageousness - claiming that Michael J. Fox was really faking those Parkinson's disease palsied shakes when he cut campaign ads for candidates who, like Wisconsin's Jim Doyle, favor embryonic stem cell research. Fox, who came down with Parkinson's about 15 years ago and was forced to essentially retire from his acting career, thus became the latest victim of the well-honed Republican...