Complex sentence: Karen Brevard Stewart (born 1952) is an American diplomat who was nominated by President Barack Obama to be United States Ambassador to the Marshall Islands on November 5,2015 was confirmed by the U.S. Senate on May 17,2016.
Split into simpler sentences: Karen Brevard Stewart (born 1952) is an American diplomat who is the current United States Ambassador to the Marshall Islands. She was nominated by President Barack Obama to be United States Ambassador to the Marshall Islands on November 5,2015 was confirmed by the U.S. Senate on May 17,2016.