Actually steering is easier than shifting. The wheel can only turn left or right, whereas the shifter (or whatever it's called) can go into 5 or 6 different positions, choose the wrong one and you mess up your gearbox. If you're as right handed as I am, you'll have a hell of a time shifting with left. Therefore, the right hand should do the shifting (for right handed people of course)

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Drunk driving is poopy.
Indeed, drunk drivers are even more stupid than most regular ones (playing with the radio, putting on makeup, phoning).