Add Yahoo as a preferred source to see more of our stories on Google. Alexander Butterfield, the aide to former President Richard Nixon who revealed a secret taping system that proved Nixon had been ...

March 9 (UPI) --Alexander Butterfield, the aide to former President Richard Nixon who revealed to Congress the secret taping system in the White House that captured recordings about the Watergate ...

Alexander Butterfield, the former White House aide whose testimony revealed the existence of President Richard Nixon’s secret taping system and changed the course of American history, has died. The 99 ...

Alexander Butterfield, a White House aide whose testimony before Congress during the Watergate scandal revealed the existence of President Richard Nixon’s secret taping system, died on Monday. He was ...