Why race car drivers crave speed

Brian Donovan says we don't know what went through Paul Walker's mind in the moments leading up to his crash, but may provide yet another example of the power that speed can exert over the minds and feelings of even highly intelligent people



via CNN.com - Top Stories http://edition.cnn.com/2013/12/04/opinion/donovan-speed-racing-walker/index.html?eref=edition