It was his love life? You sound just like the Clintonistas rationalizing Bill's perjury as saying it was just lies about sex while omitting the detail that he was under oath at the time.
Kerik did a lot of crooked stuff to mask his affairs. THAT is what did him in.
And Rudy never noticed for years that Kerik was corrupt - to the point of making him commish and then having him as a business partner.
And THIS is the guy to lead the battle to ferret out terrorist attacks? A guy who couldn't even figure out how corrupt a key associate was?
Where are the corruption charges against Kerik? If they were as egregious as you claim he should be in court.