Denver School of Science and Technology (Denver, Colorado)

April 23, 2010 | 3:17

Live from the 2013 White House Science Fair April 22, 2013	Weekly Address: America Stands with the City of Boston April 20, 2013	President Obama Speaks on Bombings in Boston April 19, 2013	West Wing Week: 04/19/13 or “Selflessly. Compassionately. Unafraid.” April 18, 2013
President Obama Speaks at an Interfaith Prayer Service in Boston April 18, 2013	President Obama Speaks to Volunteers and First Responders in Boston April 18, 2013	President Obama Speaks on Common-Sense Measures to Reduce Gun Violence April 17, 2013	White House Hangout: Vice President Biden and Mayors on Reducing Gun Violence April 17, 2013