Barack Obama Says Congress' Lack of Action After Sandy Hook Was 'Angriest' Day of His Presidency

Obama: 'Shame on us' if Newtown doesn't bring new gun laws

President Obama cried in public today. That's a good thing. - The Washington Post

4 Years After Sandy Hook, Obama Leaves a Legacy of Little Progress on Gun Laws - ABC News

Barack Obama Fast Facts

These Tragedies Must End,' Obama Says - The New York Times

These Tragedies Must End,' Obama Says - The New York Times

Obama makes biggest gun-control push in decades

Obama's legacy: The highs and lows of his presidency

As mass shootings rise, some senators are recanting their gun debate votes - Washington Post