So, now the only fictional president is Bush (Bush holds breath for 9 minutes)

"Last night was the season finale of 'West Wing.' 'West Wing' is gone. And ABC has cancelled 'Commander In Chief.' So, now the only fictional president is Bush." --David Letterman

"President Bush addressed the United States about immigration. This was odd. During the speech, he laid out his proposal and then he tried to hold his breath for nine minutes." --David Letterman

"President Bush is sending National Guard members to the Mexican border. And I'm telling you, between Iraq and the Mexican border, the National Guard is stretched tighter than Joan Rivers' face." --David Letterman