[cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2009/images/06/09/obama.bb.gi.art.jpg caption="President Barack Obama uses a BlackBerry or similar device as he walks to the Oval Office after returning to the White House in Washington, DC, January 29, 2009."] It's no secret President Obama uses a BlackBerry. In fact, you might say he's even addicted to his. "Obama's BlackBerry" is a new book that … Continue reading New book: 'Obama's BlackBerry'