Complex sentence: Richard Lee Winger (born August 27,1943) has been for the last forty years the leading advocate in the United States for minor political parties, in particular for more equitable laws allowing access to the ballot for minor parties.
Split into simpler sentences: Richard Lee Winger (born August 27,1943) is an American political advocate for minor political parties. He has advocated in particular for more equitable laws allowing access to the ballot for minor parties.