Charlie Rose - Appearances by Guest Sam Altman A list of appearances by the guest. http://www.charlierose.com/ Charlie Rose - Appearances by Guest http://www.charlierose.com/images/logo.jpg http://www.charlierose.com/ A list of appearances by the guest. A conversation with Sam Altman, Founder and CEO of Loopt http://www.charlierose.com/view/content/10511 Daily Highlights Tuesday July 28, 2009 http://www.charlierose.com/view/content/10523