Former President Donald Trump scored a record-setting win in the Iowa caucuses on Monday with his rivals languishing far behind, a victory that affirmed his grip on the 2024 Republican presidential nomination. Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ Get more Boston news: http://www.wcvb.com Like us: https://www.facebook.com/wcvb5 Follow us: https://twitter.com/WCVB Instagram: https://www.instagram.com/wcvb5/