[CBS NEWS] Driving around Chicago can be a headache. From $80 2-hour parking to construction to clueless tourists, the streets of the Windy City can be treacherous. But now scientists think they may have discovered a reason some drivers are worse than others: genetics.

A study published on LiveScience.com suggests that if a new study holds true, at least 30% of Americans have the bad driving gene. And if a study by JACK FM  holds true, 100% of them drive taxi cabs.