Award-winning poet Caroline Randall Williams joins MSNBC’s Lawrence O’Donnell on what would have been Emmett Till’s 82nd birthday. Williams says of Pres. Biden’s proclamation to establish a national monument honoring Emmett Till's legacy, “We have to be able to know our past in order to look to a different kind of future.” » Subscribe to MSNBC: on.msnbc.com/SubscribeTomsnbc Follow MSNBC Show Blogs MaddowBlog: msnbc.com/maddowblog ReidOut Blog: msnbc.com/reidoutblog 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, The Beat with Ari Melber, Deadline: White House, The ReidOut, All In, Last Word, 11th Hour, and Alex Wagner who brings her breadth of reporting experience to MSNBC primetime. Watch “Alex Wagner Tonight” Tuesday through Friday at 9pm Eastern. Connect with MSNBC Online Visit msnbc.com: on.msnbc...