Complex sentence: Birch Evans Bayh III (born December 26,1955) is an American lawyer and politician of the Democratic Party who served as the junior United States Senator from Indiana from 1999 to 2011 and the 46th Governor of Indiana from 1989 to 1997.
Split into simpler sentences: Birch Evans Bayh III (born December 26,1955) is an American lawyer and Democratic politician who served as the junior U.S. Senator from Indiana from 1999 to 2011. He earlier served as the 46th Governor of Indiana from 1989 to 1997.