Original sentence: Barry Morris Goldwater (January 1, 1909 – May 29, 1998) was a United States politician and a founding figure in the modern conservative movement in the USA
Edited sentence: Barry Morris Goldwater (January 1, 1909 – May 29, 1998) was a United States politician and a founding figure in the modern conservative movement in the USA, though in his later years he expressed more libertarian-sounding views