McCain Laughs Off Question About Another Presidential Bid

The Arizonan tells reporters he doesn't "envision a scenario" where he'd run for the White House again, plans to run for Senate re-election in '10. Says he looks forward to working with Obama. Lauds his appointments, including Napolitano, who is expected to be Homeland Security Secretary. Continues to defend his choice of Sarah Palin as his VP candidate after being asked about it by reporters.