In the "Nightline" interview, Hampton provides astonishing new details about the affair and its many repercussions, including the end of a close 20-year friendship between the two families and the loss of the Hamptons' jobs.
"Lost my job. Lost my best friend. Nearly lost my wife," he said on the ripple effect of Ensign's affair.
Hampton makes allegations of hypocrisy, hubris -- cover-ups and maybe even crimes -- that have destroyed lives and could destroy Ensign's political career.
"It's hard to comprehend what's still taking place, what's going on this moment, with regards to the unraveling of the choices and the decisions that John's made," Hampton said.
Hampton said he's finally speaking out because he wants Ensign held accountable.
"I think there are missing pieces to what's been reported," he said. "Important for people to understand what the senator has done. ... The truth needs to come out."
Ensign Once the Rising GOP Star
Ensign was a rising star in the Republican Party. During his second term, there were already rumblings that the junior senator from Nevada might be the party's next best hope for president.
Ensign was an attractive candidate: good-looking, from a wealthy Las Vegas family, with impeccable conservative credentials. "Born again" in college, Ensign was a loud and leading voice for lawmakers adhering to strict Christian family values. He argued passionately for the Federal Marriage Amendment and publicly condemned President Clinton during the Monica Lewinsky scandal and Sen. Larry Craig, R-Idaho, when he was accused of propositioning another man in a public restroom.
I just have to ask, now that it looks like there's going to be a criminal investigation against John Ensign after the Senate ethics committee released their findings this week, when is that same panel going to investigate Tom Coburn further and Read more...