In that position , he gave nonpartisan legal advice to both parties during President Bill Clinton 's impeachment trial .
Griffith left private practice in 1995 to serve as Senate Legal Counsel , the chief legal officer of the United States Senate .
In that position , Griffith gave nonpartisan legal advice to both parties during President Bill Clinton 's impeachment trial .
Griffith left private practice in 1995 to serve as Senate Legal Counsel , the chief legal officer of the United States Senate .