One of the biggest Louisville business stories of 2021 has been the frequent disruption at Ford Motor Co.'s vehicle plants. Louisville Assembly Plant has borne the brunt, missing six weeks of production so far. The impact extends far beyond Ford's two factories to dozens of supplier plants in the region. WDRB's Chris Otts and Katrina Helmer explain the roots of the global shortage of computer chips that is roiling the auto industry, with the help of Joseph McCabe of AutoForecast Solutions LLC.