The New Yorker's Jane Mayer reports Cyrus Vance Jr., the Manhattan D.A. leading the criminal investigation of Donald Trump, has announced he is not seeking another term. Mayer joins Morning Joe to discuss what this means for the case. Aired on 03/12/2021. » Subscribe to MSNBC: http://on.msnbc.com/SubscribeTomsnbc About Morning Joe with Joe Scarborough: Join Joe Scarborough, Mika Brzezinski, and Willie Geist, for in-depth and informed discussions that help drive the day's political conversation. Top newsmakers, Washington insiders, journalists, and cultural influencers, come together on Morning Joe for unparalleled insight and analysis around the day's biggest stories. MSNBC delivers breaking news, in-depth analysis of politics headlines, as well as commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, Morning Joe, Meet the Press Daily, The Beat with Ari Melber, Deadline: White House with Nicolle Wallace, Hardball, All In, Last Word, 11th Hour, and more. Connect with MSNBC Online Visit msnbc.com: http://on.msnbc.com/Readmsnbc Subscribe to MSNBC Newsletter: http://MSNBC.com/NewslettersYouTube Find MSNBC on Facebook: http://on.msnbc.com/Likemsnbc Follow MSNBC on Twitter: http://on.msnbc.com/Followmsnbc Follow MSNBC on Instagram: http://on.msnbc.com/Instamsnbc #Prosecutor #Trump #MSNBC Prosecutor Investigating Trump Won't Seek Re-Election: Report | Morning Joe | MSNBC