Denies NAM activities served to restrict civil liberties. Washington, D.C., March 2. Appearing before the Senate Civil Liberties Committee today, Walter B. Weisenburger, Executive Vice President of the National Association's Activities have intended or have served to restrict civil liberties. Weisenburger was armed with an 18-page prepared statement which he sought permission to read. The statement was later filed as part of the record, 3/2/38