Complex sentence: Clausen was born on 14 October 1947 in New Orleans, Louisiana, graduated from high school in 1965, and attended college for six months before enlisting in the U.S. Marine Corps Reserve in New Orleans on 30 March 1966.
Split into simpler sentences: Clausen was born on 14 October 1947 in New Orleans, Louisiana. He graduated from high school in 1965, and attended college for six months before enlisting in the U.S. Marine Corps Reserve in New Orleans on 30 March 1966.