Ready, steady and go for the shadow chancellor: Rachel Reeves took to the stage in Liverpool in sombre navy trouser suit, a stern figure with glossy helmet of hair. Her message was that Labour, the old party of tax and spend, had been reborn as bearer of a “war on waste”, “cold-blooded efficiency in public finances” and the insistence (eight times in total) of being ”ready to lead Britain.” The other word she used a lot was “I”.