That pre-9/11 mentality

THE PRESIDENT [today in Pennsylvania]: ...Well, September the 11th changed me. I remember the day I was in the -- at Ground Zero, on September the 4th, 2001 [sic]. It's a day I will never forget.

And to belabour the obvious, one draws attention to these things not because of the misspeaking per se, but the importance of the stuff that he misspeaks about.