Maryland-born attorney and diplomat. He served as United States Ambassador to the United Nations from 2005-2006.
He attended Yale University with future Supreme Court Justice Clarence Thomas and Yale Law School with future United States President Bill Clinton and future United States Senator Hillary Rodham Clinton.
A member of the Republican Party, he provided political commentary for Fox News.
His second marriage, to Gretchen Smith Bolton, produced one daughter. He had previously been married to Christine Bolton.
He served as Assistant Secretary of State for International Organization Affairs under the administration of President George Bush.