Photo by Leon Neal/Getty Images Wes Streeting has resigned from government. He used the announcement of new NHS data today, which shows he has successfully cut waiting lists as Health Secretary, as the opportunity to tender his resignation and air a long list of grievances with the Prime Minister.  It is notable in the letter that health and social care is the one area on which Streeting holds fast with Starmer, telling him “I am pleased to report that I have delivered against the ambitious targets you set me.” It is everything else that is the problem.  While politely noting Starmer’s “great strengths that I admire”, Streeting’s letter methodically lays out all of the criticisms of his leadership that have been bubbling away in the Labour party for not just months, but years and across both the left and right of the party.  “Where we need vision, we have a vacuum.…