Here is Michael J. Fox's ad on stem cell research, which is very powerful.
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Rush Limbaugh mocked him, saying that he was faking it. He was speedily informed by Parkinsons experts that he was dead wrong, and was forced to apologize.
Then he attacked Michael J. Fox with a different critique: "Michael J. Fox is allowing his illness to be exploited and in the process is shilling for a Democratic politician."
Good lord, but that man is a waste of oxygen.
(Limbaugh, not Fox. Obviously.)