Footage of ‘American Idol’ season seven winner David Cook signing autographs for fans outside Allstate Arena in Chicago, Illinois before the American Idols Live Tour 2008 stop on Saturday (July 19) has been posted online. Cook sported a Kansas City Chiefs baseball cap and at one point asked the crowding fans shoving paper in his face to sign to back up a little. The clip ended with several fans chanting “Archuleta”, wanting to see ‘Idol’ runner-up David Archuleta. Watch footage below.