If you get a link to this study, here’s the abridged version in their own words…(emphasis added)
The fact that gun control, expanded psychiatric services, and increased security measures are limited in their ability to prevent dreadful mass shootings doesn’t mean that we shouldn’t try. In the immediate aftermath of the Newtown shooting, there was momentum in Washington, D.C., and in various state legislatures to establish policies and procedures designed to make us all safer.
Gun restrictions and other initiatives may not stop the next mass murderer, wherever he or she may strike, but we can enhance the well-being of millions of Americans in the process. Besides, doing something is better than doing nothing. At least, it will reduce the debilitating feeling of helplessness. -via Mass Shootings in America: Moving Beyond Newtown.
While they’d prefer to abolish the 2nd Amendment, have you doped stupid by a psychiatrist, and lock everyone who even seem a little off into a rubber room, they recognize that none of these steps would actually prevent the next mass murder. But, doing something is better than nothing!
-GM

If you go back and listen to interviews with politicians and anti-gun groups they will say what we are doing is not perfect but it is a good start. I now realize that when it comes to anti-gun/anti-rights it always comes down to the lowest denominator. Magazine restrictions are a good example: 30 rounds, 20 rounds, 15 rounds. 10 rounds, 7 rounds and lastly 5 rounds. What they really want is zero. Same thing with certain guns being banned and until they have banned them all. There is never any compromise on the other side.