1973President Richard Nixon's attorney reveals to a federal judge that there was an 18½-minute gap in a White House tape recording related to the Watergate scandal. In the audio, Nixon discussed the break-in at the Democratic National Committee with his chief of staff. Though Nixon’s secretary testified she might have been partly responsible for the erasure, it was never determined who was actually responsible for the gap.1974Congress overrides President Gerald Ford’s veto to enact upgrades to the …