Tonight on The Last Word: Rupert Murdoch admits that Fox News hosts "endorsed" Trump's 2020 election lies. Plus, a new report calls for expanding the House of Representatives. Also, Iran investigates the targeted poisoning of schoolgirls. And Joanna McClinton makes history as the second black Pennsylvania House Speaker. Rep. Daniel Goldman, Andrew Weissmann, Danielle Allen, Masih Alinejad, and Joanna McClinton join Lawrence O'Donnell.