Jackson was nominated by President [[George W. Bush]] on January 28, 2004 and unanimously confirmed by the Senate on March 31, 2004. In 2008, he announced his resignation, effective April 18, 2008. | Jackson was nominated by President [[George W. Bush]] on January 28, 2004 and unanimously confirmed by the Senate on March 31, 2004. In 2008, he announced his resignation, effective April 18, 2008. |