I think that when we often look back at our "innocence" we are speaking more about ourselves as "children" than we are of the age. If we left the doors open we were probably just very lucky... read "In Cold Blood" ... this brutal killing took place in 1959 ... again the 60's had plenty of violence in the manner of war and "kent state", "mississippi burning", assassinations, etc. If we had innocence, praise our parents for protecting us ... and the lack of news from other areas (no internet or 24 hour news) ... not the kindness of our culture.