Farmers test out John Deere driverless tractor

Each fall across America's heartland, countless fields are toiled by farmers and their tractors. Mike and Betsy Roland own West Bureau Farms in central Illinois, one of at least 18 states where farmers this year are testing state-of-the-art AI tractor technology. A rural response perhaps to the self-driving cars increasingly spotted in major cities.Here, Mike and Betsy start their high-tech tractor from an iPhone. >> Oh my gosh. and save hours of work.The tech, courtesy of agriculture giant John Deere, who' ...