Trump Lies About 9/11 Again

Lawrence O’Donnell explains Donald Trump’s history of lying about 9/11 and why Donald Trump is afraid to repeat his worst lie. » Subscribe to MSNBC: 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, The ReidOut, All In, Last Word, 11th Hour, and more. Connect with MSNBC Online Visit : Subscribe to MSNBC Newsletter: http:// Find MSNBC on Facebook: Follow MSNBC on Twitter: Follow MSNBC on Instagram: #MSNBC #Trump #September11