 Complete the following phrase:  Lord Hailshams speech in Broome v Cassell is cited today in relation to the hierarchical nature of the English legal system and for lower courts duty in following the decision of higher courts. The parts of Rookes v Barnard concerning exemplary damages remains good law, although they have been rejected in most leading Commonwealth jurisdictions. Irving continued to provoke controversy, later becoming a prominent Holocaust denier. He was later involved in 