Publishing mogul Felix Dennis is on a crusade for poetry (at least as he defines it). “In his newest chapter, the British multimillionaire is on a crusade to challenge the obscurity of modern poetry, by reclaiming old-fashioned values of rhyme and meter. His flair for marketing, and his bankroll, are giving him unusual success. His first volume of poetry, “A Glass Half Full” got barely any attention from serious reviewers but sold all 10,000 copies printed in Britain.