Starmer's box office moment fell flat but he'll be judged on his delivery

A film set location, a big budget production, an audience bussed in - the prime minister's Plan for Change speech had all the hallmarks of big campaign moments past when Sir Keir Starmer used the event to launch his "first steps' set of promises - from cutting NHS waiting lists and setting up a new border command to tackle small boats - and his election-winning manifesto.