Guardian: The House of Lords has stepped up its efforts to make Christopher Monckton – climate sceptic and deputy leader of the UK Independence party (Ukip) – desist in his repeated claims that he is a member of the upper house. The push comes as Buckingham palace has also been drawn into the affair over his use of a logo similar to parliament’s famous portcullis emblem. Last month, Michael Pownall, clerk of the parliaments, wrote to Lord Monckton, a hereditary peer, stressing that he should …