Complex sentence: Pietro Vichi Domenici (May 7,1932--September 13,2017) was an American Republican politician, who served six terms as a United States Senator from New Mexico, from 1973 to 2009, the longest tenure in the state's history.
Split into simpler sentences: Pietro Vichi Domenici (May 7,1932--September 13,2017) was an American politician from New Mexico. A Republican, Domenici served six terms in the United States Senate, from 1973 to 2009, the longest tenure in the state's history.