Overview:It was the exact same effect induced by Michael Cockerell’s film Boris Johnson: the Irresistible Rise last night on BBC Two. Regardless of what you think of Johnson’s politics or predilections, the man is TV gold. In the name of journalistic objectivity Cockerell’s film dutifully included musings from Boris’s sister Rachel, his father Stanley, former editors and school chums. Some of it was moderately revealing, but the money shot was the blond bombshell, live and unleashed.