CHUCK TODD: I got that sense that there was this frustration that [President Obama] didn't have more facts at hand and I think, frankly, not just him, talk to those investigators in Boston. Everybody is frustrated at how little it seems is known at this point. And they seem -- I was told that the reason he -- they debated whether to use certain words. I know that does matter. And that because when the president says terrorist attack, that's a whole lot different than when Dianne Feinstein says it.
DAVID AXELROD: Absolutely. And the word has taken on a different meaning since 9/11. You use those words and it means something very specific in people's minds. And I'm sure what was going through the president's mind is -- we really don't know who did this. It was tax day. Is it someone who was pro-[unintelligible]? You just don't know. And so, I think, his attitude is let's not put any inference into this. Let's just make clear that we're going to get the people responsible.