Former Liberal staffer Bruce Lehrmann has widened his appeal against the result of his failed defamation case, which he launched over an interview conducted on Network Ten between journalist Lisa Wilkinson and Brittany Higgins. Former Liberal staffer Bruce Lehrmann has widened his appeal against the result of his failed defamation case, which he launched over an interview conducted on Network Ten between journalist Lisa Wilkinson and Brittany Higgins. Courts and Trials, Media Industry Latest business news