it's hard to believe but when barack obama announced he was running for president in february 2007 there was no iphone, twitter had just been launched and this thing called politico was less than a-month-old. by the time the 2012 campaign rolled around, politics and journalism and media had collided, a big bang that completely changed the conduct and coverage of political campaigns. peter hamby writes with instagram and iphones and a journalistic reward structure in washington that often prizes speed and scoops over context, campaigns are increasingly fearful of the reporters who cover them. any perceived gaffe can become a full-blown narrative in a matter of hours, if not minutes, thanks to the velocity of the twitter and national reporters. so does that make campaign