After years and years of listening to pundits bemoan the lack of engagement among America's youth, the kids finally came out for Barack Obama. Many of the volunteers and organizers that put Obama in the White House were young and working on a political campaign for the first time. From the Iowa caucuses to Nov. 4, a new generation worked day and night to change their country. A year later, we round up a few of them and ask whether they're still involved.