How Do Rampage Killings Affect Our Opinions On Gun Control?

During his tearful address to the nation today, President Obama said we need to take “meaningful action to prevent tragedies” like the one that left 20 children and 7 adults dead in a Connecticut elementary school this morning. And on Twitter, the public’s grief-mingled outrage is being directed largely @NRA . Sadly, this is something we’re getting used to as a nation–everyone expects to hear a few calls for more gun control laws right after somebody goes on a rampage and shoots lots of our fellow Americans. But then what? How do those events affect the way Americans, in general, feel about gun laws? According to this story at Quartz, they don’t.