Tonight on The Last Word: Donald Trump relentlessly attacks the NYC D.A. amid probe. Also, Trump lawyer Evan Corcoran is expected to meet with Special Prosecutor's Trump Grand Jury on Friday. Plus, Biden marks the 13 year anniversary of the Affordable Care Act. Charles Blow, Andrew Weissmann, Barbara McQuade, Senator Raphael Warnock, and Jen Psaki join Lawrence O'Donnell.