Port unions and tech changes have a long, sometimes contentious history

<p>As supply chain issues linger, ports on the West Coast are in the middle of renegotiating labor contracts with the union that represents dock workers. One major talking point: automation. It&#8217;s part of a length history of dock workers being wary of tech innovations that could threaten jobs. We look at how renewable energy is becoming more available in Texas, but faces an infrastructure in need of an update.</p>