If you like Sam Donaldson's story, you might also like:
George H.W. Bush,
David Halberstam,
Nicholas Kristof,
Charles Kuralt,
Dan Rather,
Neil Sheehan
Mike Wallace and
Bob Woodward

Sam Donaldson's recommended reading: Plutarch's Lives

Sam Donaldson also appears in the videos:
Perseverance and the American Dream
Advocacy and Citizenship: Speaking Out for Others

Related Links:
IMDb
University of Texas