Jay Evensen: Think self-driving cars are scary? What about self-flying ones?

SALT LAKE CITY — If you’re having trouble getting used to a new car that thinks its cruise control can stay in the same lane of traffic without your help, how would you feel about a car that thinks it can drive unassisted 5,000 feet in the air?Rush hour traffic along the Wasatch Front may become a thing of the past if last week’s test flight of a driverless drone taxi in Dubai means anything. Too bad we spent all that money on freeway expansion.The United Arab Emirates is way i