Newtown, Conn., Sandy Hook Shootings: Gun Control Debate Resurfaces After Sandy Hook Shooting We turn to our abc news ongoing commitment to the search for solutions to gun violence. President obama promised action on sunday at that interfaith vigil for the victims of the newtown shootings. At least one pro-gun rights advocate in the senate said everything should be on the able. Abc's pierre thomas has the latest on the call to action. Good morning, pierre. Many americans are demanding that something be done to stop nightmares like what we saw in newtown. What that something should be is where the fight begins. At nra headquarters in virginia monday, an angry crowd. Shame, shame. Reporter: Hordes of activists protesting the gun lobby. And the debate ignited again. But those in the a questioned whether the assault rifle used in the newtown massacre was really the issue. John fund called in yesterday. The laws don't work. These mass killings are because of psychotic or mentally ill individuals. Reporter: But some political leaders are fed up with the nation's gun violence. 34 americans are killed every day by firearms. Reporter: The nation has fought this battle before. In 1994, congress passed an assault weapons ban, after a surge in gun violence across the nation. The law banned 18 types of rifles. But after ten years, it expired, as the gun lobby's power had grown. According to a university of peia study, the number of mass shootings did decline during that decade, except for the year 1999. That was the year columbine. 13 students and faculty killed in a murderous rampage. Since the ban ended, the country has seen a spate of mass shootings. But little in the way of significant gun control. Supporters of gun control point to australia. In 1996, after a mass shooting there, that country banned certain types of rifles and launched a massive gun buyback campaign. Since then, australia has not had a single mass shooting. Is it the will or the desire to do something like that in the u.S.? We don't yet know. The nra has been notably silent since the attacks on friday. What about retail stores? Sporting goods stores that sell these guns? Any actions or statements from them? Reporter: Dick's sporting goods, a major chain, is banning certain types of rifles. That's one step. We'll keep our ears posted to see if anything changes. Pierre thomas, thank you very much.