malcolm gladwell believes that most parents need to take a deep breath. >> gladwell: parents are graspingimize their children's chances of doing well in the world. i wonder whether if we'll look back on the way children were raised in our particular time and place and say, "what were we thinking?" >> safer: of one of the effects of your book, has been an epidemic of people holding their kids back from kindergarten. do you feel a responsibility in this? >> gladwell: yeah, well, i mean, first of all, i'll take this to my grave but, if everyone does it, then the effect is cancelled out. the irony, of course, is that the kinds of parents who are doing this are the parents whose children are the least at risk. >> safer: and then there is the "jock effect"-- holding kids back to give them a sporting edge or, more accurately, an unsporting edge. did the issue of athletics play into your decision as well? >> megan hoffecker: it did. that one year has made a huge difference for him. >> safer: megan hoffecker insists that all is fair when it comes to the game of life. >> megan hoffecker: i want to