Complex sentence: Orrin Grant Hatch (born March 22,1934) is an American attorney and politician serving as the senior United States Senator for Utah who has been the President pro tempore of the United States Senate since 2015.
Split into simpler sentences: Orrin Grant Hatch (born March 22,1934) is an American attorney and politician serving as the senior United States Senator for Utah. A Republican, he has been the President pro tempore of the United States Senate since 2015.