On March 21, 1973, in a secretly recorded conversation, President Richard Nixon and his aide John Dean discuss the unfolding Watergate scandal. Dean tells Nixon that the cover-up is "a cancer on the presidency."

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In a secretly recorded conversation on April 16, 1973, President Richard Nixon discusses with his aide John Dean the need to have the resignations of Dean, H.R. Haldeman and John Ehrlichman "at the ready" in the wake of the Watergate scandal.

On April 30, 1973, with the Watergate trial well underway, President Richard Nixon announces on nationwide television and radio the resignation of his closest advisers, H.R. Haldeman and John Ehrlichman, as well as White House Counsel John Dean and Attorney General Richard Kleindienst.

On August 15, 1973, President Richard Nixon addresses the nation concerning Watergate, explaining his refusal to turn over subpoenaed presidential tape recordings.

On August 15, 1973, in his second address to the nation concerning the Watergate trial, President Richard Nixon denies any role in a cover-up.

In an address to the nation on April 29, 1974, President Richard Nixon explains why he will not be turning over additional subpoenaed tapes in the Watergate trial but will instead provide transcripts of the recordings.

On October 20, 1973, President Richard Nixon dismissed Special Prosecutor Archibald Cox and accepted the resignations of Attorney Gen. Elliot L. Richardson and Deputy Attorney Gen. William D. Ruckelshaus. Later that night, Sen. Alan Cranston reacts to what became known as the "Saturday Night Massacre."