FILE - In this Feb. 12, 2002 file photo, former Enron CEO Kenneth Lay gives brief remarks before he exercised his constitutional rights and refused to testify before the Senate Commerce

 

              FILE - In this Feb. 12, 2002 file photo, former Enron CEO Kenneth Lay gives brief remarks before he exercised his constitutional rights and refused to testify before the Senate Commerce
FILE - In this Feb. 12, 2002 file photo, former Enron CEO Kenneth Lay gives brief remarks before he exercised his constitutional rights and refused to testify before the Senate Commerce Committee hearing, on Capitol Hill in Washington. Lois Lerner of the IRS joins a diverse roll call of people who have invoked their Fifth Amendment right not to answer lawmakers’ questions over the years. (AP Photo/Ron Edmonds, File)