Lawrence: Trump admin. staffer reportedly in an 'I love Hitler' chat hasn't been fired by Trump yet

Tonight on The Last Word: The Trump administration dodges questions about the Tom Homan FBI probe. Also, Maine Governor Janet Mills launches a Senate bid against Susan Collins. Plus, early voting is underway in the Virginia governor’s race. And a new book, “1929,” details Wall Street’s greatest crash. Rep. Hakeem Jeffries, Gov. Janet Mills, Abigail Spanberger, and Andrew Ross Sorkin join Lawrence O’Donnell.