The Los Angeles Times blogger Melissa Healy reports on an article in the journal Current Directions in Psychological Science that poses this question: "is a toddler's lack of self-control key to early learning?" Babies are born with their prefrontal cortex (that which enables us as adults to filter out distractions and keep on task) virtually undeveloped, and it is this lack of development that allows them to learn things quickly -- like language. Their inability to pay attention me