'We need vision, not a vacuum': Wes Streeting quits at last with attack on the PM, but has his power bid come up short?

Wes Streeting has quit and launched an attack on the Prime Minister, criticizing the lack of vision, but his bid for power may not be successful. The move comes as a surprise and has significant implications. Wes Streeting's decision is seen as a major development in the political landscape.