Tschabalala Self’s Lady in Blue review – this striding scupture fills the fourth plinth with humour and life

<p><strong>Trafalgar Square, London<br></strong>The swaggering statue’s luscious collision of brown and blue could stop traffic – and serves as a reminder of the big, beautiful, multicultural world we enjoy</p><p>It hit me like a thunder clap. One moment I was bor