http://www.cnn.com/2008/POLITICS/04/..._s=PM:POLITICSFrom the CNN article you link to:
here is something to get you started Bush made $719,000 in 2007, paid 30.8% in taxes, Originally Posted by JD Barleycorn
"President and Mrs. George W. Bush reported taxable income of $719, 274 for the tax year 2007 and paid $221,635 in federal income taxes, the White House said Friday."
Emphasis mine.