After Nixon resigned in 1974, he engaged in a very aggressive war with history, attempting to wipe out the Watergate stain and memory. Happily, history won, largely because of Nixons tapes. – Bob Woodward
The number of illegal activities were so large that one was bound to come out and lead to the uncovering of the others. Nixon was too willing to use the power of government to settle scores and get even with enemies. – Bob Woodward