**FILE** President Obama and Facebook CEO Mark Zuckerberg take off their jackets at Facebook headquarters in Palo Alto, Calif., on April 20, 2011, before their joint town-hall meeting to discuss reducing the federal deficit. (Associated Press)

**FILE** President Obama and Facebook CEO Mark Zuckerberg take off their jackets at Facebook headquarters in Palo Alto, Calif., on April 20, 2011, before their joint town-hall meeting to discuss reducing the federal deficit. (Associated Press)