Democrats need to win big with open hearings

Open hearings are about to begin, marking what may be the most important week of the Trump presidency. But what does the impeachment inquiry mean for 2020, and for Americans living outside of Washington? CNN senior writer and publisher of the Impeachment Watch newsletter, Zachary Wolf, breaks down what's to come in the week ahead with CNN Senior Washington Correspondent Jeff Zeleny. Meanwhile, Washington Bureau Chief of the Associated Press and CNN political analyst Julie Pace weighs in with what exactly Democrats will try to accomplish with these hearings.