Joe: President Donald Trump Violating Constitutional Norms Again | Morning Joe | MSNBC

President Donald Trump tweeted he will demand the DOJ open an investigation into whether the FBI infiltrated his campaign for political purposes and whether any demands or requests for such action originated with the Obama administration. » Subscribe to MSNBC: http://on.msnbc.com/SubscribeTomsnbc 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 msnbc.com: http://on.msnbc.com/Readmsnbc Subscribe to MSNBC Newsletter: 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 Joe: President Donald Trump Violating Constitutional Norms Again | Morning Joe | MSNBC