Democrats begin their case

President Trump is officially on trial. Lead House manager Adam Schiff began his opening argument today by emphasizing abuse of power and appealing to the Senate's 'common sense.' CNN congressional reporter Lauren Fox describes the historic scene and provides insight on the Democrats' ongoing search for four moderate Republicans to aid their quest for documents and witnesses. Plus, CNN legal analyst Shan Wu evaluates the arguments set forth by both sides with CNN political director David Chalian.To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices