Investment in Port Talbot cannot come soon enough, but it might be the last roll of the dice

Sajid Javid, Jacob Rees-Mogg, Greg Clark, Rishi Sunak, Grant Shapps and Kemi Badenoch: the list of Tory chancellors and business secretaries who have sought to unlock the puzzle of the British steel industry's future in recent years is almost as long as the number of active production facilities remaining in Britain.