Bush Pays Taxes?

Something here seems funny:

President George W. Bush and first lady Laura Bush reported taxable income of $719,274 for 2007 and paid $221,635 in federal income tax, the White House said on Friday. The president's income included his salary as president and income from trusts in which his assets are held. The first lady received a $150,000 advance for a children's book she co-authored with daughter, Jenna, the White House said