Katerina Rodgaard, center, a Maryland dance instructor who knew one of the victims of the Virginia Tech shootings, accompanied by President Barack Obama, Vice President Joe Biden, and o

 

              Katerina Rodgaard, center, a Maryland dance instructor who knew one of the victims of the Virginia Tech shootings, accompanied by President Barack Obama, Vice President Joe Biden, and o
Katerina Rodgaard, center, a Maryland dance instructor who knew one of the victims of the Virginia Tech shootings, accompanied by President Barack Obama, Vice President Joe Biden, and others, who according to the White House, law enforcement officials, victims of gun violence, and others, speaks in the East Room of the White House in Washington, Thursday, March 28, 2013, where Obama urged Congress to take action on measures to protect children from gun violence. (AP Photo/Susan Walsh)