I've noticed it, too. Our attention spans have left gun control fervor back there in 2012. The gun thing was last year's problem.
On the day of the Sandy Hook elementary school shooting in Newtown, Conn., we published a chart showing the Sisyphean nature of the national gun control discussion. In the immediate aftermath of a shooting, such as the one that took place in Aurora, Colo., mentions of the term "gun control" spike in the news media. In a matter of days, that discussion all but disappears. ...
... Blame it on the fiscal cliff, blame it on Christmas, blame it on our ability to forget, but the national discussion about gun control has once again ebbed. Mentions of the term "gun control" on television, in newspapers, and in online media are down to pre-Sandy Hook levels, according to the Nexis database. ...Politico