Question: John David Kuo, was an American author and an evangelical Christian, Kuo served as Special Assistant to who, he is an American politician who served as the 43rd President of the United States from 2001 to 2009?
Sentence (from "George W. Bush"): George Walker Bush (born July 6, 1946) is an American politician who served as the 43rd President of the United States from 2001 to 2009.
Relevant evidence: Yes