Watch Tom Brokaw's speech at Tim Russert's memorial.

Watch Al Hunt's speech at Tim Russert's memorial.

Watch Betsy Fischer's speech at Tim Russert's memorial.

Watch Mario Cuomo's speech at Tim Russert's memorial.

Watch Mike Barnicle's speech at Tim Russert's memorial.

Watch Brian Williams' speech at Tim Russert's memorial.

Watch Maria Shriver's speech at Tim Russert's memorial.

Watch Doris Kearns Goodwin's speech at Tim Russert's memorial.

Watch Luke Russert's speech at Tim Russert's memorial.

Watch Bruce Springsteen's surprise performance at Tim Russert's...