Balancing on a beam can’t be that hard…right? We asked Olympian Laurie Hernandez, who brought back a gold and a silver from the 2016 Games, to show WSJ sports reporter Laine Higgins just how hard it can be.   Host: Laine Higgins  Producer: @Jacob Ohara Camera: @Mariana Trujillo Graphics: Siemond Chan  #gymnastics #teamusa #2024olympics #lauriehernandez #beam #wsj #thewallstreetjournal #wallstreetjournal