What to know about new rules and technology behind the World Cup's most contentious calls

By — James Robson, Associated Press James Robson, Associated Press Leave your feedback Share Copy URL https://www.pbs.org/newshour/world/what-to-know-about-new-rules-and-technology-behind-the-world-cups-most-contentious-calls Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share o…