Breaking news from Gabby Giffords two years ago today she was shot was so many others in Tucson parking lot. Since then there have been eleven mass shootings in America including the tragedy in Newtown so fresh in our -- After visiting the families Gabby and her husband mark's Kelly sat down for exclusive interview. -- Diane sorry to announce a new national initiative to prevent gun violence. We saw you. The new town. How was -- terms. It brought back. A lot of memories. About what that was like Ross some two years ago today -- you hope that that's this kind of thing doesn't happen again. You know what does happen again. Gabby Giffords is somber yet resilient. Opening up for the first time about the hard sandy hook elementary school. She and her husband mark Kelly spent a day with some of the victims' families. First couple that we spoke to. Then. Took us cell -- showed us a picture of -- his daughter. And I just about -- the couple told Diane that Newtown was they're turning point -- -- -- both gun owners. We are strong supporters of the Second Amendment but we've got to do something to keep the guns from getting into the wrong hands and this morning. On the two year anniversary of the shooting in Tucson they plan to do something about it. Announcing their campaign for responsible changes to gun laws working with politicians who take high powered gun -- is -- -- They hope to engage the nation in a real discussion about preventing gun violence. When that can happen to children in my classroom. It's time to say that not. And antagonist nationwide also the cover of USA today this morning of course -- can see more events exclusive interview but getting -- -- mark Kelly tonight on world news. And --