Sen. Booker: Please, really invest yourself in the election

03:44

Senator Cory Booker (D-NJ), a member of the Judiciary Committee, tells Lawrence O'Donnell that as Republicans push for a replacement for Justice Ruth Bader Ginsburg, "we have a lot of options to reverse the damage that's being done only if we win the presidency and win the United States Senate back. We got to keep our eyes on that ball.”