The companies seek to protect some thirty-nine thousand documents which they say should remain private because conversations between attorneys and clients are confidential. Hamline University law prof Joseph Daly says there are some important exceptions to what can be shielded behind attorney-client privilege: Joseph Daly teaches trial law and professional responsiblity at Hamline University School of Law in St. Paul. Sun 28-MAY 12:02:37 MPR NewsPro Archive - Wed 04/11/2001