Michael Bloomberg: “If we want to save lives right now, ... there is only one thing that will stop the next copycat killer, and that is…”

The President's words matter more than anybody else. And his job, I've always thought, is to be a unifier, not to be the leader of the party, but to be a leader of this country. There are consequences to words.

This is not a Republican or Democratic issue. You go back in the first two years of the Obama administration. The Democrats have the White House, the Senate and Congress, and they did nothing.

Let me tell you, we are -- enormous confidence in the NYPD and the FBI and their procedures. We take a lot of security measures, as you know. The men and women that open the mail, for example, even they are well-trained and we have…

I think there's a general consensus in the country that background checks before you buy a gun should apply to everyone.