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Mark Zuckerberg, CEO of Facebook, makes an opening speech of the media event, "behind the Scenes" to show the latest technology powering Facebook at their headquarters in Palo Alto on April 7, 2011 in California. AFP Photo Kimihiro Hoshino (Photo credit should read KIMIHIRO HOSHINO/AFP/Getty Images)
Mark Zuckerberg, CEO of Facebook, makes an opening speech of the media event, "behind the Scenes" to show the latest technology powering Facebook at their headquarters in Palo Alto on April 7, 2011 in California. AFP Photo Kimihiro Hoshino (Photo credit should read KIMIHIRO HOSHINO/AFP/Getty Images)

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Zuckerberg pushes immigration overhaul

Facebook CEO Mark Zuckerberg takes a public role on the immigration debate, asking for a comprehensive overhaul.

Zuckerberg pushes immigration overhaul

Facebook CEO Mark Zuckerberg takes a public role on the immigration debate, asking for a comprehensive overhaul.