A MAGA squad of Trump loyalists has seen its influence grow in Congress amid demands for political purity among Republicans. Washington Post Congressional reporter Marianna Sotomayer explains why their impact has been so profound. Read more: https://wapo.st/3GQ6TfY. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK Follow us: Twitter: https://twitter.com/washingtonpost Instagram: https://www.instagram.com/washingtonpost/ Facebook: https://www.facebook.com/washingtonpost/