Facebook a political obsession in Youdia Age

http://video.cnbc.com/gallery/?video=1752879649&startTime=1804&endTime=2591 What do Barack Obama, George W. bush, David Cameron, Mir Mushavi and Goodluck Jonathan have in common? Lots of Facebook friends. In this segment of CNBC's "Facebook Obsession," Lester Holt examines the political influence of Facebook from Obama's historic "Facebook Election," to the challenge authoritarian regimes in Iran and China will have trying to contain the emerging Poltical Warrior.