Even if you examine a "deprived" group (the kind professors are always trying to make excuses for) such as inner-city kids, you will find stark differences betw

Even if you examine a "deprived" group (the kind professors are always trying to make excuses for) such as inner-city kids, you will find stark differences between talent and drive from one person to another. Why does one boy spend 10,000 hours practicing basketball or music, while the others watch television all day? Maybe nobody introduced "systematic deliberate practice" to them? Or, you know, maybe some people are just lazier than others.