Dr. Jill Biden: It Has Been The Honor Of A Lifetime To Be First Lady

First Lady Dr. Jill Biden sits down with Mika Brzezinski for a wide-ranging discussion on having children vaccinated, comforting Americans regardless of their party affiliation, the challenges of being first lady and her relationship with her students. » Subscribe to MSNBC: About: MSNBC is the premier destination for in-depth analysis of daily headlines, insightful political commentary and informed perspectives. Reaching more than 95 million households worldwide, MSNBC offers a full schedule of live news coverage, political opinions and award-winning documentary programming -- 24 hours a day, 7 days a week. Connect with MSNBC Online Visit : Subscribe to MSNBC Newsletter: Find MSNBC on Facebook: Follow MSNBC on Twitter: Follow MSNBC on Instagram: Dr. Jill Biden: It Has Been