You could get pretty good odds in Vegas or even at Pimlico this weekend that you couldn’t say with specificity what you were doing on April 13, 2009, or that you are doing the same thing now.Don’t be insulted. That’s no knock on you personally, but rather a recognition that most of us don’t have total recall or perform precisely the same task over an extended period.Heck, that date was my birthday and I don’t even remember what I did.